diff -u b/core/modules/action/migration_templates/action_settings.yml b/core/modules/action/migration_templates/action_settings.yml
--- b/core/modules/action/migration_templates/action_settings.yml
+++ b/core/modules/action/migration_templates/action_settings.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - actions_max_stack
-  provider: action
+  source_module: action
 process:
   recursion_limit: actions_max_stack
 destination:
diff -u b/core/modules/aggregator/migration_templates/d6_aggregator_settings.yml b/core/modules/aggregator/migration_templates/d6_aggregator_settings.yml
--- b/core/modules/aggregator/migration_templates/d6_aggregator_settings.yml
+++ b/core/modules/aggregator/migration_templates/d6_aggregator_settings.yml
@@ -12,7 +12,7 @@
     - aggregator_teaser_length
     - aggregator_clear
     - aggregator_summary_items
-  provider: aggregator
+  source_module: aggregator
 process:
   fetcher: aggregator_fetcher
   parser: aggregator_parser
diff -u b/core/modules/aggregator/migration_templates/d7_aggregator_settings.yml b/core/modules/aggregator/migration_templates/d7_aggregator_settings.yml
--- b/core/modules/aggregator/migration_templates/d7_aggregator_settings.yml
+++ b/core/modules/aggregator/migration_templates/d7_aggregator_settings.yml
@@ -12,7 +12,7 @@
     - aggregator_teaser_length
     - aggregator_clear
     - aggregator_summary_items
-  provider: aggregator
+  source_module: aggregator
 process:
   fetcher: aggregator_fetcher
   parser: aggregator_parser
diff -u b/core/modules/block_content/migration_templates/block_content_body_field.yml b/core/modules/block_content/migration_templates/block_content_body_field.yml
--- b/core/modules/block_content/migration_templates/block_content_body_field.yml
+++ b/core/modules/block_content/migration_templates/block_content_body_field.yml
@@ -19,7 +19,7 @@
       type: string
     field_name:
       type: string
-  provider: block
+  source_module: block
 process:
   entity_type: entity_type
   bundle: bundle
@@ -32,5 +32,5 @@
   required:
     - block_content_type
-provider:
+source_module:
   - block_content
   - migrate_drupal
diff -u b/core/modules/block_content/migration_templates/block_content_entity_display.yml b/core/modules/block_content/migration_templates/block_content_entity_display.yml
--- b/core/modules/block_content/migration_templates/block_content_entity_display.yml
+++ b/core/modules/block_content/migration_templates/block_content_entity_display.yml
@@ -22,7 +22,7 @@
       type: string
     field_name:
       type: string
-  provider: block
+  source_module: block
 process:
   entity_type: entity_type
   bundle: bundle
@@ -34,7 +34,7 @@
 migration_dependencies:
   required:
     - block_content_body_field
-provider:
+source_module:
   - block_content
   - migrate_drupal
 
diff -u b/core/modules/block_content/migration_templates/block_content_entity_form_display.yml b/core/modules/block_content/migration_templates/block_content_entity_form_display.yml
--- b/core/modules/block_content/migration_templates/block_content_entity_form_display.yml
+++ b/core/modules/block_content/migration_templates/block_content_entity_form_display.yml
@@ -20,7 +20,7 @@
       type: string
     field_name:
       type: string
-  provider: block
+  source_module: block
 process:
   entity_type: entity_type
   bundle: bundle
@@ -31,7 +31,7 @@
 migration_dependencies:
   required:
     - block_content_body_field
-provider:
+source_module:
   - block_content
   - migrate_drupal
 
diff -u b/core/modules/block_content/migration_templates/block_content_type.yml b/core/modules/block_content/migration_templates/block_content_type.yml
--- b/core/modules/block_content/migration_templates/block_content_type.yml
+++ b/core/modules/block_content/migration_templates/block_content_type.yml
@@ -13,11 +13,11 @@
     id:
       type: string
-  provider: block
+  source_module: block
 process:
   id: id
   label: label
 destination:
   plugin: entity:block_content_type
-provider:
+source_module:
   - block_content
   - migrate_drupal
diff -u b/core/modules/block_content/src/Plugin/migrate/source/d6/Box.php b/core/modules/block_content/src/Plugin/migrate/source/d6/Box.php
--- b/core/modules/block_content/src/Plugin/migrate/source/d6/Box.php
+++ b/core/modules/block_content/src/Plugin/migrate/source/d6/Box.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_box",
- *   source_provider = "block"
+ *   source_module = "block"
  * )
  */
 class Box extends DrupalSqlBase {
diff -u b/core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustom.php b/core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustom.php
--- b/core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustom.php
+++ b/core/modules/block_content/src/Plugin/migrate/source/d7/BlockCustom.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_block_custom",
- *   source_provider = "block"
+ *   source_module = "block"
  * )
  */
 class BlockCustom extends DrupalSqlBase {
diff -u b/core/modules/book/migration_templates/d6_book_settings.yml b/core/modules/book/migration_templates/d6_book_settings.yml
--- b/core/modules/book/migration_templates/d6_book_settings.yml
+++ b/core/modules/book/migration_templates/d6_book_settings.yml
@@ -8,7 +8,7 @@
     - book_child_type
     - book_block_mode
     - book_allowed_types
-  provider: book
+  source_module: book
 process:
   child_type: book_child_type
   'block/navigation/mode': book_block_mode
diff -u b/core/modules/book/src/Plugin/migrate/source/d6/Book.php b/core/modules/book/src/Plugin/migrate/source/d6/Book.php
--- b/core/modules/book/src/Plugin/migrate/source/d6/Book.php
+++ b/core/modules/book/src/Plugin/migrate/source/d6/Book.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_book",
- *   source_provider = "book"
+ *   source_module = "book"
  * )
  */
 class Book extends DrupalSqlBase {
diff -u b/core/modules/comment/migration_templates/d6_comment_entity_display.yml b/core/modules/comment/migration_templates/d6_comment_entity_display.yml
--- b/core/modules/comment/migration_templates/d6_comment_entity_display.yml
+++ b/core/modules/comment/migration_templates/d6_comment_entity_display.yml
@@ -12,7 +12,7 @@
       label: hidden
       type: comment_default
       weight: 20
-  provider: comment
+  source_module: comment
 process:
   entity_type: 'constants/entity_type'
   field_name: 'constants/field_name'
diff -u b/core/modules/comment/migration_templates/d6_comment_entity_form_display.yml b/core/modules/comment/migration_templates/d6_comment_entity_form_display.yml
--- b/core/modules/comment/migration_templates/d6_comment_entity_form_display.yml
+++ b/core/modules/comment/migration_templates/d6_comment_entity_form_display.yml
@@ -11,7 +11,7 @@
     options:
       type: comment_default
       weight: 20
-  provider: comment
+  source_module: comment
 process:
   entity_type: 'constants/entity_type'
   field_name: 'constants/field_name'
diff -u b/core/modules/comment/migration_templates/d6_comment_entity_form_display_subject.yml b/core/modules/comment/migration_templates/d6_comment_entity_form_display_subject.yml
--- b/core/modules/comment/migration_templates/d6_comment_entity_form_display_subject.yml
+++ b/core/modules/comment/migration_templates/d6_comment_entity_form_display_subject.yml
@@ -11,7 +11,7 @@
     options:
       type: string_textfield
       weight: 10
-  provider: comment
+  source_module: comment
 process:
   entity_type: 'constants/entity_type'
   field_name: 'constants/field_name'
diff -u b/core/modules/comment/migration_templates/d6_comment_field.yml b/core/modules/comment/migration_templates/d6_comment_field.yml
--- b/core/modules/comment/migration_templates/d6_comment_field.yml
+++ b/core/modules/comment/migration_templates/d6_comment_field.yml
@@ -7,7 +7,7 @@
   constants:
     entity_type: node
     type: comment
-  provider: comment
+  source_module: comment
 process:
   entity_type: 'constants/entity_type'
   field_name: comment_type
diff -u b/core/modules/comment/migration_templates/d6_comment_field_instance.yml b/core/modules/comment/migration_templates/d6_comment_field_instance.yml
--- b/core/modules/comment/migration_templates/d6_comment_field_instance.yml
+++ b/core/modules/comment/migration_templates/d6_comment_field_instance.yml
@@ -8,7 +8,7 @@
     entity_type: node
     label: Comments
     required: true
-  provider: comment
+  source_module: comment
 process:
   entity_type: 'constants/entity_type'
   label: 'constants/label'
diff -u b/core/modules/comment/migration_templates/d6_comment_type.yml b/core/modules/comment/migration_templates/d6_comment_type.yml
--- b/core/modules/comment/migration_templates/d6_comment_type.yml
+++ b/core/modules/comment/migration_templates/d6_comment_type.yml
@@ -6,7 +6,7 @@
   plugin: d6_comment_variable_per_comment_type
   constants:
     entity_type: node
-  provider: comment
+  source_module: comment
 process:
   target_entity_type_id: 'constants/entity_type'
   id: comment_type
diff -u b/core/modules/config_translation/migration_templates/d6_i18n_system_maintenance.yml b/core/modules/config_translation/migration_templates/d6_i18n_system_maintenance.yml
--- b/core/modules/config_translation/migration_templates/d6_i18n_system_maintenance.yml
+++ b/core/modules/config_translation/migration_templates/d6_i18n_system_maintenance.yml
@@ -6,7 +6,7 @@
   plugin: i18n_variable
   variables:
     - site_offline_message
-  provider: system
+  source_module: system
 process:
   langcode: language
   message: site_offline_message
diff -u b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml
--- b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml
+++ b/core/modules/config_translation/migration_templates/d6_i18n_system_site.yml
@@ -13,7 +13,7 @@
     - site_frontpage
     - site_403
     - site_404
-  provider: system
+  source_module: system
 process:
   langcode: language
   name: site_name
diff -u b/core/modules/config_translation/migration_templates/d6_i18n_user_mail.yml b/core/modules/config_translation/migration_templates/d6_i18n_user_mail.yml
--- b/core/modules/config_translation/migration_templates/d6_i18n_user_mail.yml
+++ b/core/modules/config_translation/migration_templates/d6_i18n_user_mail.yml
@@ -19,7 +19,7 @@
     - user_mail_register_pending_approval_body
     - user_mail_status_blocked_subject
     - user_mail_status_blocked_body
-  provider: system
+  source_module: system
 process:
   langcode: language
   'status_activated/subject':
diff -u b/core/modules/config_translation/migration_templates/d6_i18n_user_settings.yml b/core/modules/config_translation/migration_templates/d6_i18n_user_settings.yml
--- b/core/modules/config_translation/migration_templates/d6_i18n_user_settings.yml
+++ b/core/modules/config_translation/migration_templates/d6_i18n_user_settings.yml
@@ -10,7 +10,7 @@
     - user_email_verification
     - user_register
     - anonymous
-  provider: system
+  source_module: system
 process:
   langcode: language
   'notify/status_blocked': user_mail_status_blocked_notify
diff -u b/core/modules/dblog/migration_templates/d6_dblog_settings.yml b/core/modules/dblog/migration_templates/d6_dblog_settings.yml
--- b/core/modules/dblog/migration_templates/d6_dblog_settings.yml
+++ b/core/modules/dblog/migration_templates/d6_dblog_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - dblog_row_limit
-  provider: dblog
+  source_module: dblog
 process:
   row_limit: dblog_row_limit
 destination:
diff -u b/core/modules/dblog/migration_templates/d7_dblog_settings.yml b/core/modules/dblog/migration_templates/d7_dblog_settings.yml
--- b/core/modules/dblog/migration_templates/d7_dblog_settings.yml
+++ b/core/modules/dblog/migration_templates/d7_dblog_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - dblog_row_limit
-  provider: dblog
+  source_module: dblog
 process:
   row_limit: dblog_row_limit
 destination:
diff -u b/core/modules/field/migration_templates/d7_field.yml b/core/modules/field/migration_templates/d7_field.yml
--- b/core/modules/field/migration_templates/d7_field.yml
+++ b/core/modules/field/migration_templates/d7_field.yml
@@ -9,7 +9,7 @@
   constants:
     status: true
     langcode: und
-  provider: field
+  source_module: field
 process:
   entity_type: entity_type
   status: 'constants/status'
diff -u b/core/modules/field/migration_templates/d7_field_instance_widget_settings.yml b/core/modules/field/migration_templates/d7_field_instance_widget_settings.yml
--- b/core/modules/field/migration_templates/d7_field_instance_widget_settings.yml
+++ b/core/modules/field/migration_templates/d7_field_instance_widget_settings.yml
@@ -9,7 +9,7 @@
   constants:
     form_mode: default
     third_party_settings: { }
-  provider: field
+  source_module: field
 process:
   # We skip field types that don't exist because they weren't migrated by the
   # field migration.
diff -u b/core/modules/field/migration_templates/d7_view_modes.yml b/core/modules/field/migration_templates/d7_view_modes.yml
--- b/core/modules/field/migration_templates/d7_view_modes.yml
+++ b/core/modules/field/migration_templates/d7_view_modes.yml
@@ -4,7 +4,7 @@
   - Drupal 7
 source:
   plugin: d7_view_mode
-  provider: field
+  source_module: field
 process:
   mode:
     plugin: static_map
diff -u b/core/modules/file/migration_templates/d6_file.yml b/core/modules/file/migration_templates/d6_file.yml
--- b/core/modules/file/migration_templates/d6_file.yml
+++ b/core/modules/file/migration_templates/d6_file.yml
@@ -12,7 +12,7 @@
     # table are specified, and must end with a /. See source_full_path
     # configuration in this migration's process pipeline as an example.
     source_base_path: ''
-  provider: system
+  source_module: system
 process:
     # If you are using both this migration and d6_user_picture_file in a custom
     # migration and executing migrations incrementally, it is strongly
diff -u b/core/modules/file/migration_templates/d6_upload_field.yml b/core/modules/file/migration_templates/d6_upload_field.yml
--- b/core/modules/file/migration_templates/d6_upload_field.yml
+++ b/core/modules/file/migration_templates/d6_upload_field.yml
@@ -6,14 +6,14 @@
   # We do an empty source and a proper destination to have an idmap for
   # migration_dependencies.
   plugin: md_empty
-  provider: upload
+  source_module: upload
   constants:
     entity_type: node
     type: file
     name: upload
     cardinality: -1
     display_field: true
-  provider: upload
+  source_module: upload
 process:
   entity_type: 'constants/entity_type'
   field_name: 'constants/name'
diff -u b/core/modules/file/migration_templates/d7_file.yml b/core/modules/file/migration_templates/d7_file.yml
--- b/core/modules/file/migration_templates/d7_file.yml
+++ b/core/modules/file/migration_templates/d7_file.yml
@@ -12,7 +12,7 @@
     # table are specified, and must end with a /. See source_full_path
     # configuration in this migration's process pipeline as an example.
     source_base_path: ''
-  provider: file
+  source_module: file
 process:
   # If you are using this file to build a custom migration consider removing
   # the fid field to allow incremental migrations.
diff -u b/core/modules/file/migration_templates/file_settings.yml b/core/modules/file/migration_templates/file_settings.yml
--- b/core/modules/file/migration_templates/file_settings.yml
+++ b/core/modules/file/migration_templates/file_settings.yml
@@ -9,7 +9,7 @@
     - file_description_type
     - file_description_length
     - file_icon_directory
-  provider: system
+  source_module: system
 process:
   'description/type': file_description_type
   'description/length': file_description_length
diff -u b/core/modules/filter/migration_templates/d6_filter_format.yml b/core/modules/filter/migration_templates/d6_filter_format.yml
--- b/core/modules/filter/migration_templates/d6_filter_format.yml
+++ b/core/modules/filter/migration_templates/d6_filter_format.yml
@@ -4,7 +4,7 @@
   - Drupal 6
 source:
   plugin: d6_filter_format
-  provider: filter
+  source_module: filter
 process:
   format:
     plugin: machine_name
diff -u b/core/modules/filter/migration_templates/d7_filter_format.yml b/core/modules/filter/migration_templates/d7_filter_format.yml
--- b/core/modules/filter/migration_templates/d7_filter_format.yml
+++ b/core/modules/filter/migration_templates/d7_filter_format.yml
@@ -4,7 +4,7 @@
   - Drupal 7
 source:
   plugin: d7_filter_format
-  provider: filter
+  source_module: filter
 process:
   format: format
   name: name
diff -u b/core/modules/filter/migration_templates/d7_filter_settings.yml b/core/modules/filter/migration_templates/d7_filter_settings.yml
--- b/core/modules/filter/migration_templates/d7_filter_settings.yml
+++ b/core/modules/filter/migration_templates/d7_filter_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - filter_fallback_format
-  provider: filter
+  source_module: filter
 process:
   fallback_format: filter_fallback_format
 destination:
diff -u b/core/modules/forum/migration_templates/d6_forum_settings.yml b/core/modules/forum/migration_templates/d6_forum_settings.yml
--- b/core/modules/forum/migration_templates/d6_forum_settings.yml
+++ b/core/modules/forum/migration_templates/d6_forum_settings.yml
@@ -11,7 +11,7 @@
     - forum_block_num_0
     - forum_block_num_1
     - forum_nav_vocabulary
-  provider: forum
+  source_module: forum
 process:
   'block/active/limit': forum_block_num_0
   'block/new/limit': forum_block_num_1
diff -u b/core/modules/forum/migration_templates/d7_forum_settings.yml b/core/modules/forum/migration_templates/d7_forum_settings.yml
--- b/core/modules/forum/migration_templates/d7_forum_settings.yml
+++ b/core/modules/forum/migration_templates/d7_forum_settings.yml
@@ -11,7 +11,7 @@
     - forum_block_num_active
     - forum_block_num_new
     - forum_nav_vocabulary
-  provider: forum
+  source_module: forum
 process:
   'block/active/limit': forum_block_num_active
   'block/new/limit': forum_block_num_new
diff -u b/core/modules/image/migration_templates/d7_image_settings.yml b/core/modules/image/migration_templates/d7_image_settings.yml
--- b/core/modules/image/migration_templates/d7_image_settings.yml
+++ b/core/modules/image/migration_templates/d7_image_settings.yml
@@ -8,7 +8,7 @@
     - allow_insecure_derivatives
     - suppress_itok_output
     - image_style_preview_image
-  provider: image
+  source_module: image
 process:
   suppress_itok_output: suppress_itok_output
   allow_insecure_derivatives: allow_insecure_derivatives
diff -u b/core/modules/language/migration_templates/d6_language_content_settings.yml b/core/modules/language/migration_templates/d6_language_content_settings.yml
--- b/core/modules/language/migration_templates/d6_language_content_settings.yml
+++ b/core/modules/language/migration_templates/d6_language_content_settings.yml
@@ -7,7 +7,7 @@
   plugin: d6_language_content_settings
   constants:
     target_type: 'node'
-  provider: locale
+  source_module: locale
 process:
 # Ignore i18n_node_options_[node_type] options not available in Drupal 8,
 # i18n_required_node and i18n_newnode_current
diff -u b/core/modules/language/migration_templates/d6_language_negotiation_settings.yml b/core/modules/language/migration_templates/d6_language_negotiation_settings.yml
--- b/core/modules/language/migration_templates/d6_language_negotiation_settings.yml
+++ b/core/modules/language/migration_templates/d6_language_negotiation_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - language_negotiation
-  provider: language
+  source_module: language
 process:
   session/parameter:
     plugin: default_value
diff -u b/core/modules/language/migration_templates/d6_language_types.yml b/core/modules/language/migration_templates/d6_language_types.yml
--- b/core/modules/language/migration_templates/d6_language_types.yml
+++ b/core/modules/language/migration_templates/d6_language_types.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - language_negotiation
-  provider: language
+  source_module: language
 process:
   all:
     plugin: default_value
diff -u b/core/modules/language/migration_templates/d7_language_content_settings.yml b/core/modules/language/migration_templates/d7_language_content_settings.yml
--- b/core/modules/language/migration_templates/d7_language_content_settings.yml
+++ b/core/modules/language/migration_templates/d7_language_content_settings.yml
@@ -6,7 +6,7 @@
   plugin: d7_language_content_settings
   constants:
     target_type: 'node'
-  provider: locale
+  source_module: locale
 process:
 # Ignore i18n_node_options_[node_type] options not available in Drupal 8,
 # i18n_required_node and i18n_newnode_current
diff -u b/core/modules/language/migration_templates/d7_language_negotiation_settings.yml b/core/modules/language/migration_templates/d7_language_negotiation_settings.yml
--- b/core/modules/language/migration_templates/d7_language_negotiation_settings.yml
+++ b/core/modules/language/migration_templates/d7_language_negotiation_settings.yml
@@ -7,7 +7,7 @@
   variables:
     - locale_language_negotiation_session_param
     - locale_language_negotiation_url_part
-  provider: locale
+  source_module: locale
 process:
   session/parameter:
     plugin: default_value
diff -u b/core/modules/language/migration_templates/d7_language_types.yml b/core/modules/language/migration_templates/d7_language_types.yml
--- b/core/modules/language/migration_templates/d7_language_types.yml
+++ b/core/modules/language/migration_templates/d7_language_types.yml
@@ -12,7 +12,7 @@
     - locale_language_providers_weight_language
     - locale_language_providers_weight_language_content
     - locale_language_providers_weight_language_url
-  provider: language
+  source_module: language
 process:
   all:
     plugin: language_types
diff -u b/core/modules/language/migration_templates/default_language.yml b/core/modules/language/migration_templates/default_language.yml
--- b/core/modules/language/migration_templates/default_language.yml
+++ b/core/modules/language/migration_templates/default_language.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - language_default
-  provider: locale
+  source_module: locale
 process:
   default_langcode:
     -
diff -u b/core/modules/locale/migration_templates/locale_settings.yml b/core/modules/locale/migration_templates/locale_settings.yml
--- b/core/modules/locale/migration_templates/locale_settings.yml
+++ b/core/modules/locale/migration_templates/locale_settings.yml
@@ -8,7 +8,7 @@
   variables:
     - locale_cache_strings
     - locale_js_directory
-  provider: locale
+  source_module: locale
 process:
   cache_strings: locale_cache_strings
   'javascript/directory': locale_js_directory
diff -u b/core/modules/menu_link_content/src/Plugin/migrate/source/MenuLink.php b/core/modules/menu_link_content/src/Plugin/migrate/source/MenuLink.php
--- b/core/modules/menu_link_content/src/Plugin/migrate/source/MenuLink.php
+++ b/core/modules/menu_link_content/src/Plugin/migrate/source/MenuLink.php
@@ -11,7 +11,7 @@
  *
  * @MigrateSource(
  *   id = "menu_link",
- *   source_provider = "menu"
+ *   source_module = "menu"
  * )
  */
 class MenuLink extends DrupalSqlBase {
diff -u b/core/modules/menu_ui/migration_templates/menu_settings.yml b/core/modules/menu_ui/migration_templates/menu_settings.yml
--- b/core/modules/menu_ui/migration_templates/menu_settings.yml
+++ b/core/modules/menu_ui/migration_templates/menu_settings.yml
@@ -8,7 +8,7 @@
   plugin: variable
   variables:
     - menu_override_parent_selector
-  provider: menu
+  source_module: menu
 process:
   override_parent_selector: menu_override_parent_selector
 destination:
diff -u b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
--- b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
@@ -115,7 +115,7 @@
    * {@inheritdoc}
    */
   public function getProvider() {
-    return !empty($this->configuration['provider']) ? $this->configuration['provider'] : $this->pluginDefinition['provider'];
+    return !empty($this->configuration['destination_module']) ? $this->configuration['destination_module'] : $this->pluginDefinition['provider'];
   }
 
 }
diff -u b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
--- b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
@@ -546,11 +546,11 @@
    * {@inheritdoc}
    */
   public function getProvider() {
-    if (!empty($this->configuration['provider'])) {
-      return $this->configuration['provider'];
+    if (!empty($this->configuration['source_module'])) {
+      return $this->configuration['source_module'];
     }
-    elseif (!empty($this->pluginDefinition['source_provider'])) {
-      return $this->pluginDefinition['source_provider'];
+    elseif (!empty($this->pluginDefinition['source_module'])) {
+      return $this->pluginDefinition['source_module'];
     }
     return NULL;
   }
diff -u b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
--- b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
+++ b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "migrate_external_translated_test",
- *   source_provider = "migrate_external_translated_test"
+ *   source_module = "migrate_external_translated_test"
  * )
  */
 class MigrateExternalTranslatedTestSource extends SourcePluginBase {
diff -u b/core/modules/migrate/tests/src/Kernel/Plugin/ProvidersExistTest.php b/core/modules/migrate/tests/src/Kernel/Plugin/ProvidersExistTest.php
--- b/core/modules/migrate/tests/src/Kernel/Plugin/ProvidersExistTest.php
+++ b/core/modules/migrate/tests/src/Kernel/Plugin/ProvidersExistTest.php
@@ -8,7 +8,7 @@
 use Drupal\migrate\Plugin\MigrationProviderInterface;
 
 /**
- * Tests that providers exist for all source and destination plugins.
+ * Tests that modules exist for all source and destination plugins.
  *
  * @group migrate_drupal_ui
  */
@@ -19,10 +19,10 @@
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['provider_test'];
+  public static $modules = ['module_test'];
 
   /**
-   * Tests that providers exist for all source and destination plugins.
+   * Tests that modules exist for all source and destination plugins.
    */
   public function testProvidersExist() {
     // Install all available modules.
@@ -38,32 +38,32 @@
     $migrations = $pluginManager->createInstances(array_keys($pluginManager->getDefinitions()));
     /** @var \Drupal\migrate\Plugin\Migration $migration */
     foreach ($migrations as $migration) {
-      $source_provider = NULL;
-      $destination_provider = NULL;
+      $source_module = NULL;
+      $destination_module = NULL;
       $source_plugin = $migration->getSourcePlugin();
       if ($source_plugin instanceof MigrationProviderInterface) {
-        $source_provider = $source_plugin->getProvider();
+        $source_module = $source_plugin->getProvider();
       }
       $destination_plugin = $migration->getDestinationPlugin();
       if ($destination_plugin instanceof MigrationProviderInterface) {
-        $destination_provider = $destination_plugin->getProvider();
+        $destination_module = $destination_plugin->getProvider();
       }
       $migration_id = $migration->getPluginId();
-      if ($migration_id == 'provider_test') {
-        $this->assertFalse($source_provider, new FormattableMarkup('Source provider not found for @migration_id.', ['@migration_id' => $migration_id]));
-        $this->assertFalse($destination_provider, new FormattableMarkup('Destination provider not found for @migration_id.', ['@migration_id' => $migration_id]));
+      if ($migration_id == 'module_test') {
+        $this->assertFalse($source_module, new FormattableMarkup('Source module not found for @migration_id.', ['@migration_id' => $migration_id]));
+        $this->assertFalse($destination_module, new FormattableMarkup('Destination module not found for @migration_id.', ['@migration_id' => $migration_id]));
       }
-      elseif ($migration_id == 'provider_no_annotation') {
-        $this->assertFalse($source_provider, new FormattableMarkup('Source provider not found for @migration_id.', ['@migration_id' => $migration_id]));
-        $this->assertTrue($destination_provider, new FormattableMarkup('Destination provider found for @migration_id.', ['@migration_id' => $migration_id]));
+      elseif ($migration_id == 'module_no_annotation') {
+        $this->assertFalse($source_module, new FormattableMarkup('Source module not found for @migration_id.', ['@migration_id' => $migration_id]));
+        $this->assertTrue($destination_module, new FormattableMarkup('Destination module found for @migration_id.', ['@migration_id' => $migration_id]));
       }
       else {
-        $this->assertTrue($source_provider, new FormattableMarkup('Source provider found for @migration_id.', ['@migration_id' => $migration_id]));
-        $this->assertTrue($destination_provider, new FormattableMarkup('Destination provider found for @migration_id.', ['@migration_id' => $migration_id]));
+        $this->assertTrue($source_module, new FormattableMarkup('Source module found for @migration_id.', ['@migration_id' => $migration_id]));
+        $this->assertTrue($destination_module, new FormattableMarkup('Destination module found for @migration_id.', ['@migration_id' => $migration_id]));
       }
-      // Destination provider can't be migrate or migrate_drupal or migrate_drupal_ui
+      // Destination module can't be migrate or migrate_drupal or migrate_drupal_ui
       $invalid_destinations = ['migrate', 'migrate_drupal', 'migrate_drupal_ui'];
-      $this->assertNotContains($destination_provider, $invalid_destinations, new FormattableMarkup('Invalid destination for @migration_id.', ['@migration_id' => $migration_id]));
+      $this->assertNotContains($destination_module, $invalid_destinations, new FormattableMarkup('Invalid destination for @migration_id.', ['@migration_id' => $migration_id]));
     }
   }
 
diff -u b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
--- b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
@@ -404,26 +404,26 @@
     foreach ($migrations as $migration) {
       $migration_id = $migration->getPluginId();
 
-      $source_provider = NULL;
+      $source_module = NULL;
       $source_plugin = $migration->getSourcePlugin();
       if ($source_plugin instanceof MigrationProviderInterface) {
-        $source_provider = $source_plugin->getProvider();
+        $source_module = $source_plugin->getProvider();
       }
-      if (!$source_provider) {
-        drupal_set_message($this->t('Source provider not found for @migration_id.', ['@migration_id' => $migration_id]), 'error');
+      if (!$source_module) {
+        drupal_set_message($this->t('Source module not found for @migration_id.', ['@migration_id' => $migration_id]), 'error');
       }
 
-      $destination_provider = NULL;
+      $destination_module = NULL;
       $destination_plugin = $migration->getDestinationPlugin();
       if ($destination_plugin instanceof MigrationProviderInterface) {
-        $destination_provider = $destination_plugin->getProvider();
+        $destination_module = $destination_plugin->getProvider();
       }
-      if (!$destination_provider) {
-        drupal_set_message($this->t('Destination provider not found for @migration_id.', ['@migration_id' => $migration_id]), 'error');
+      if (!$destination_module) {
+        drupal_set_message($this->t('Destination module not found for @migration_id.', ['@migration_id' => $migration_id]), 'error');
       }
 
-      if ($source_provider && $destination_provider) {
-        $table_data[$source_provider][$destination_provider][$migration_id] = $migration->label();
+      if ($source_module && $destination_module) {
+        $table_data[$source_module][$destination_module][$migration_id] = $migration->label();
       }
     }
     // Sort the table by source module names and within that destination
diff -u b/core/modules/migrate_drupal_ui/src/Tests/MigrateUpgradeTestBase.php b/core/modules/migrate_drupal_ui/src/Tests/MigrateUpgradeTestBase.php
--- b/core/modules/migrate_drupal_ui/src/Tests/MigrateUpgradeTestBase.php
+++ b/core/modules/migrate_drupal_ui/src/Tests/MigrateUpgradeTestBase.php
@@ -44,7 +44,7 @@
     'book',
     'forum',
     'statistics',
-    'provider_test',
+    'modules_available_test',
   ];
 
   /**
@@ -150,13 +150,13 @@
     $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
     $this->assertResponse(200);
     $this->assertText('Are you sure?');
-    // Ensure we get errors about missing providers.
-    $this->assertText(t('Source provider not found for provider_no_annotation.'));
-    $this->assertText(t('Source provider not found for provider_test.'));
-    $this->assertText(t('Destination provider not found for provider_test'));
+    // Ensure we get errors about missing modules.
+    $this->assertText(t('Source module not found for module_no_annotation.'));
+    $this->assertText(t('Source module not found for modules_available_test.'));
+    $this->assertText(t('Destination module not found for modules_available_test'));
 
-    // Uninstall the module causing the missing provider error messages.
-    $this->container->get('module_installer')->uninstall(['provider_test'], TRUE);
+    // Uninstall the module causing the missing module error messages.
+    $this->container->get('module_installer')->uninstall(['modules_available_test'], TRUE);
 
     // Restart the upgrade process.
     $this->drupalGet('/upgrade');
@@ -169,10 +169,10 @@
     $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
     $this->assertResponse(200);
     $this->assertText('Are you sure?');
-    // Ensure there are no errors about the missing providers.
-    $this->assertNoText(t('Source provider not found for provider_no_annotation.'));
-    $this->assertNoText(t('Source provider not found for provider_test.'));
-    $this->assertNoText(t('Destination provider not found for provider_test'));
+    // Ensure there are no errors about the missing modules.
+    $this->assertNoText(t('Source module not found for module_no_annotation.'));
+    $this->assertNoText(t('Source module not found for modules_available_test.'));
+    $this->assertNoText(t('Destination module not found for modules_available_test'));
     $this->drupalPostForm(NULL, [], t('Perform upgrade'));
     $this->assertText(t('Congratulations, you upgraded Drupal!'));
 
reverted:
--- b/core/modules/migrate_drupal_ui/tests/modules/provider_test/migration_templates/provider_no_annotation.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-id: provider_no_annotation
-label: Missing source annotation
-migration_tags:
-  - Drupal 6
-  - Drupal 7
-source:
-# Test plugin without a source_provider annotation
-  plugin: no_source_provider
-process:
-  message: site_offline_message
-destination:
-  plugin: config
-  config_name: test.settings
reverted:
--- b/core/modules/migrate_drupal_ui/tests/modules/provider_test/migration_templates/provider_test.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-id: provider_test
-label: Missing source and destination provider
-migration_tags:
-  - Drupal 6
-  - Drupal 7
-source:
-  plugin: variable
-  variables:
-    - site_offline_message
-# Do not add a provider for the test.
-process:
-  message: site_offline_message
-destination:
-  plugin: config
-# An empty config_name will not have a destination provider.
-  config_name:
reverted:
--- b/core/modules/migrate_drupal_ui/tests/modules/provider_test/provider_test.info.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-name: 'Provider missing'
-type: module
-description: 'Add a migration missing a source and destination and a source plugin missing a source provider.'
-package: Testing
-version: VERSION
-core: 8.x
reverted:
--- b/core/modules/migrate_drupal_ui/tests/modules/provider_test/src/Plugin/migrate/source/NoSourceProvider.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace Drupal\provider_test\Plugin\migrate\source;
-
-use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
-
-/**
- * A test source plugin without a source_provider.
- *
- * @MigrateSource(
- *   id = "no_source_provider",
- * )
- */
-class NoSourceProvider extends DrupalSqlBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function query() {}
-
-  /**
-   * {@inheritdoc}
-   */
-  public function fields() {}
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getIds() {}
-
-}
diff -u b/core/modules/node/migration_templates/d6_node_settings.yml b/core/modules/node/migration_templates/d6_node_settings.yml
--- b/core/modules/node/migration_templates/d6_node_settings.yml
+++ b/core/modules/node/migration_templates/d6_node_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - node_admin_theme
-  provider: node
+  source_module: node
 process:
   use_admin_theme: node_admin_theme
 destination:
diff -u b/core/modules/node/migration_templates/d7_node_settings.yml b/core/modules/node/migration_templates/d7_node_settings.yml
--- b/core/modules/node/migration_templates/d7_node_settings.yml
+++ b/core/modules/node/migration_templates/d7_node_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - node_admin_theme
-  provider: node
+  source_module: node
 process:
   use_admin_theme: node_admin_theme
 destination:
diff -u b/core/modules/node/src/Plugin/migrate/source/d6/Node.php b/core/modules/node/src/Plugin/migrate/source/d6/Node.php
--- b/core/modules/node/src/Plugin/migrate/source/d6/Node.php
+++ b/core/modules/node/src/Plugin/migrate/source/d6/Node.php
@@ -16,7 +16,7 @@
  *
  * @MigrateSource(
  *   id = "d6_node",
- *   source_provider = "node"
+ *   source_module = "node"
  *
  * )
  */
diff -u b/core/modules/node/src/Plugin/migrate/source/d6/NodeRevision.php b/core/modules/node/src/Plugin/migrate/source/d6/NodeRevision.php
--- b/core/modules/node/src/Plugin/migrate/source/d6/NodeRevision.php
+++ b/core/modules/node/src/Plugin/migrate/source/d6/NodeRevision.php
@@ -8,7 +8,7 @@
  *
  * @MigrateSource(
  *   id = "d6_node_revision",
- *   source_provider = "node"
+ *   source_module = "node"
  * )
  */
 class NodeRevision extends Node {
diff -u b/core/modules/node/src/Plugin/migrate/source/d6/NodeType.php b/core/modules/node/src/Plugin/migrate/source/d6/NodeType.php
--- b/core/modules/node/src/Plugin/migrate/source/d6/NodeType.php
+++ b/core/modules/node/src/Plugin/migrate/source/d6/NodeType.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_node_type",
- *   source_provider = "node"
+ *   source_module = "node"
  * )
  */
 class NodeType extends DrupalSqlBase {
diff -u b/core/modules/search/migration_templates/d6_search_settings.yml b/core/modules/search/migration_templates/d6_search_settings.yml
--- b/core/modules/search/migration_templates/d6_search_settings.yml
+++ b/core/modules/search/migration_templates/d6_search_settings.yml
@@ -10,7 +10,7 @@
     - minimum_word_size
     - overlap_cjk
     - search_cron_limit
-  provider: search
+  source_module: search
 process:
   'index/minimum_word_size': minimum_word_size
   'index/overlap_cjk': overlap_cjk
diff -u b/core/modules/search/migration_templates/d7_search_settings.yml b/core/modules/search/migration_templates/d7_search_settings.yml
--- b/core/modules/search/migration_templates/d7_search_settings.yml
+++ b/core/modules/search/migration_templates/d7_search_settings.yml
@@ -13,7 +13,7 @@
     - search_tag_weights
     - search_and_or_limit
     - search_default_module
-  provider: search
+  source_module: search
 process:
   'index/minimum_word_size': minimum_word_size
   'index/overlap_cjk': overlap_cjk
diff -u b/core/modules/search/migration_templates/search_page.yml b/core/modules/search/migration_templates/search_page.yml
--- b/core/modules/search/migration_templates/search_page.yml
+++ b/core/modules/search/migration_templates/search_page.yml
@@ -16,7 +16,7 @@
     id: node_search
     path: node
     plugin: node_search
-  provider: search
+  source_module: search
 process:
   id: 'constants/id'
   path: 'constants/path'
diff -u b/core/modules/simpletest/migration_templates/d6_simpletest_settings.yml b/core/modules/simpletest/migration_templates/d6_simpletest_settings.yml
--- b/core/modules/simpletest/migration_templates/d6_simpletest_settings.yml
+++ b/core/modules/simpletest/migration_templates/d6_simpletest_settings.yml
@@ -10,7 +10,7 @@
     - simpletest_httpauth_password
     - simpletest_httpauth_username
     - simpletest_verbose
-  provider: simpletest
+  source_module: simpletest
 process:
   clear_results: simpletest_clear_results
   'httpauth/method': simpletest_httpauth_method
diff -u b/core/modules/simpletest/migration_templates/d7_simpletest_settings.yml b/core/modules/simpletest/migration_templates/d7_simpletest_settings.yml
--- b/core/modules/simpletest/migration_templates/d7_simpletest_settings.yml
+++ b/core/modules/simpletest/migration_templates/d7_simpletest_settings.yml
@@ -10,7 +10,7 @@
     - simpletest_httpauth_password
     - simpletest_httpauth_username
     - simpletest_verbose
-  provider: simpletest
+  source_module: simpletest
 process:
   clear_results: simpletest_clear_results
   'httpauth/method': simpletest_httpauth_method
diff -u b/core/modules/statistics/migration_templates/statistics_settings.yml b/core/modules/statistics/migration_templates/statistics_settings.yml
--- b/core/modules/statistics/migration_templates/statistics_settings.yml
+++ b/core/modules/statistics/migration_templates/statistics_settings.yml
@@ -9,7 +9,7 @@
     - statistics_enable_access_log
     - statistics_flush_accesslog_timer
     - statistics_count_content_views
-  provider: statistics
+  source_module: statistics
 process:
   'count_content_views': statistics_count_content_views
 destination:
diff -u b/core/modules/syslog/migration_templates/d6_syslog_settings.yml b/core/modules/syslog/migration_templates/d6_syslog_settings.yml
--- b/core/modules/syslog/migration_templates/d6_syslog_settings.yml
+++ b/core/modules/syslog/migration_templates/d6_syslog_settings.yml
@@ -7,7 +7,7 @@
   variables:
     - syslog_identity
     - syslog_facility
-  provider: syslog
+  source_module: syslog
 process:
   identity: syslog_identity
   facility: syslog_facility
diff -u b/core/modules/syslog/migration_templates/d7_syslog_settings.yml b/core/modules/syslog/migration_templates/d7_syslog_settings.yml
--- b/core/modules/syslog/migration_templates/d7_syslog_settings.yml
+++ b/core/modules/syslog/migration_templates/d7_syslog_settings.yml
@@ -8,7 +8,7 @@
     - syslog_facility
     - syslog_format
     - syslog_identity
-  provider: syslog
+  source_module: syslog
 process:
   facility: syslog_facility
   format: syslog_format
diff -u b/core/modules/system/migration_templates/d6_date_formats.yml b/core/modules/system/migration_templates/d6_date_formats.yml
--- b/core/modules/system/migration_templates/d6_date_formats.yml
+++ b/core/modules/system/migration_templates/d6_date_formats.yml
@@ -8,7 +8,7 @@
     - date_format_long
     - date_format_medium
     - date_format_short
-  provider: system
+  source_module: system
 process:
   id:
     plugin: static_map
diff -u b/core/modules/system/migration_templates/d6_system_cron.yml b/core/modules/system/migration_templates/d6_system_cron.yml
--- b/core/modules/system/migration_templates/d6_system_cron.yml
+++ b/core/modules/system/migration_templates/d6_system_cron.yml
@@ -8,7 +8,7 @@
     - cron_threshold_warning
     - cron_threshold_error
     - cron_last
-  provider: system
+  source_module: system
 process:
   'threshold/requirements_warning': cron_threshold_warning
   'threshold/requirements_error': cron_threshold_error
diff -u b/core/modules/system/migration_templates/d6_system_date.yml b/core/modules/system/migration_templates/d6_system_date.yml
--- b/core/modules/system/migration_templates/d6_system_date.yml
+++ b/core/modules/system/migration_templates/d6_system_date.yml
@@ -8,7 +8,7 @@
     - configurable_timezones
     - date_first_day
     - date_default_timezone
-  provider: system
+  source_module: system
 process:
   'timezone/user/configurable': configurable_timezones
   first_day: date_first_day
diff -u b/core/modules/system/migration_templates/d6_system_file.yml b/core/modules/system/migration_templates/d6_system_file.yml
--- b/core/modules/system/migration_templates/d6_system_file.yml
+++ b/core/modules/system/migration_templates/d6_system_file.yml
@@ -7,7 +7,7 @@
   variables:
     - file_directory_temp
     - allow_insecure_uploads
-  provider: system
+  source_module: system
 process:
   'path/temporary': file_directory_temp
   allow_insecure_uploads:
diff -u b/core/modules/system/migration_templates/d6_system_performance.yml b/core/modules/system/migration_templates/d6_system_performance.yml
--- b/core/modules/system/migration_templates/d6_system_performance.yml
+++ b/core/modules/system/migration_templates/d6_system_performance.yml
@@ -10,7 +10,7 @@
     - cache_lifetime
     - cache
     - page_compression
-  provider: system
+  source_module: system
 process:
   'css/preprocess': preprocess_css
   'js/preprocess': preprocess_js
diff -u b/core/modules/system/migration_templates/d7_global_theme_settings.yml b/core/modules/system/migration_templates/d7_global_theme_settings.yml
--- b/core/modules/system/migration_templates/d7_global_theme_settings.yml
+++ b/core/modules/system/migration_templates/d7_global_theme_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - theme_settings
-  provider: system
+  source_module: system
 process:
   'features/logo': theme_settings/toggle_logo
   'features/name': theme_settings/toggle_name
diff -u b/core/modules/system/migration_templates/d7_system_authorize.yml b/core/modules/system/migration_templates/d7_system_authorize.yml
--- b/core/modules/system/migration_templates/d7_system_authorize.yml
+++ b/core/modules/system/migration_templates/d7_system_authorize.yml
@@ -5,7 +5,7 @@
   plugin: variable
   variables:
     - authorize_filetransfer_default
-  provider: system
+  source_module: system
 process:
    filetransfer_default: authorize_filetransfer_default
 destination:
diff -u b/core/modules/system/migration_templates/d7_system_cron.yml b/core/modules/system/migration_templates/d7_system_cron.yml
--- b/core/modules/system/migration_templates/d7_system_cron.yml
+++ b/core/modules/system/migration_templates/d7_system_cron.yml
@@ -7,7 +7,7 @@
   variables:
     - cron_threshold_warning
     - cron_threshold_error
-  provider: system
+  source_module: system
 process:
   'threshold/requirements_warning': cron_threshold_warning
   'threshold/requirements_error': cron_threshold_error
diff -u b/core/modules/system/migration_templates/d7_system_date.yml b/core/modules/system/migration_templates/d7_system_date.yml
--- b/core/modules/system/migration_templates/d7_system_date.yml
+++ b/core/modules/system/migration_templates/d7_system_date.yml
@@ -10,7 +10,7 @@
     - configurable_timezones
     - empty_timezone_message
     - user_default_timezone
-  provider: system
+  source_module: system
 process:
   'country/default': site_default_country
   first_day: date_first_day
diff -u b/core/modules/system/migration_templates/d7_system_file.yml b/core/modules/system/migration_templates/d7_system_file.yml
--- b/core/modules/system/migration_templates/d7_system_file.yml
+++ b/core/modules/system/migration_templates/d7_system_file.yml
@@ -7,7 +7,7 @@
   variables:
     - allow_insecure_uploads
     - file_temporary_path
-  provider: system
+  source_module: system
 process:
   allow_insecure_uploads:
     plugin: static_map
diff -u b/core/modules/system/migration_templates/d7_system_mail.yml b/core/modules/system/migration_templates/d7_system_mail.yml
--- b/core/modules/system/migration_templates/d7_system_mail.yml
+++ b/core/modules/system/migration_templates/d7_system_mail.yml
@@ -5,7 +5,7 @@
   plugin: variable
   variables:
     - mail_system
-  provider: system
+  source_module: system
 process:
   'interface/default':
     plugin: static_map
diff -u b/core/modules/system/migration_templates/d7_system_performance.yml b/core/modules/system/migration_templates/d7_system_performance.yml
--- b/core/modules/system/migration_templates/d7_system_performance.yml
+++ b/core/modules/system/migration_templates/d7_system_performance.yml
@@ -9,7 +9,7 @@
     - preprocess_js
     - cache_lifetime
     - page_compression
-  provider: system
+  source_module: system
 process:
   'css/preprocess': preprocess_css
   'js/preprocess': preprocess_js
diff -u b/core/modules/system/migration_templates/d7_theme_settings.yml b/core/modules/system/migration_templates/d7_theme_settings.yml
--- b/core/modules/system/migration_templates/d7_theme_settings.yml
+++ b/core/modules/system/migration_templates/d7_theme_settings.yml
@@ -6,7 +6,7 @@
   plugin: d7_theme_settings
   constants:
     config_suffix: '.settings'
-  provider: system
+  source_module: system
 process:
   # Build the configuration name from the variable name, i.e.
   # theme_bartik_settings becomes bartik.settings.
diff -u b/core/modules/system/migration_templates/system_image.yml b/core/modules/system/migration_templates/system_image.yml
--- b/core/modules/system/migration_templates/system_image.yml
+++ b/core/modules/system/migration_templates/system_image.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - image_toolkit
-  provider: system
+  source_module: system
 process:
   toolkit: image_toolkit
 destination:
diff -u b/core/modules/system/migration_templates/system_image_gd.yml b/core/modules/system/migration_templates/system_image_gd.yml
--- b/core/modules/system/migration_templates/system_image_gd.yml
+++ b/core/modules/system/migration_templates/system_image_gd.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - image_jpeg_quality
-  provider: system
+  source_module: system
 process:
   jpeg_quality: image_jpeg_quality
 destination:
diff -u b/core/modules/system/migration_templates/system_logging.yml b/core/modules/system/migration_templates/system_logging.yml
--- b/core/modules/system/migration_templates/system_logging.yml
+++ b/core/modules/system/migration_templates/system_logging.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - error_level
-  provider: system
+  source_module: system
 process:
   error_level:
     plugin: static_map
diff -u b/core/modules/system/migration_templates/system_maintenance.yml b/core/modules/system/migration_templates/system_maintenance.yml
--- b/core/modules/system/migration_templates/system_maintenance.yml
+++ b/core/modules/system/migration_templates/system_maintenance.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - site_offline_message
-  provider: system
+  source_module: system
 process:
   message: site_offline_message
 destination:
diff -u b/core/modules/system/migration_templates/system_rss.yml b/core/modules/system/migration_templates/system_rss.yml
--- b/core/modules/system/migration_templates/system_rss.yml
+++ b/core/modules/system/migration_templates/system_rss.yml
@@ -8,7 +8,7 @@
   variables:
     - feed_default_items
     - feed_item_length
-  provider: system
+  source_module: system
 process:
   'items/limit': feed_default_items
   'items/view_mode': feed_item_length
diff -u b/core/modules/system/migration_templates/system_site.yml b/core/modules/system/migration_templates/system_site.yml
--- b/core/modules/system/migration_templates/system_site.yml
+++ b/core/modules/system/migration_templates/system_site.yml
@@ -16,7 +16,7 @@
     - site_404
     - drupal_weight_select_max
     - admin_compact_mode
-  provider: system
+  source_module: system
 process:
   name: site_name
   mail: site_mail
diff -u b/core/modules/taxonomy/migration_templates/taxonomy_settings.yml b/core/modules/taxonomy/migration_templates/taxonomy_settings.yml
--- b/core/modules/taxonomy/migration_templates/taxonomy_settings.yml
+++ b/core/modules/taxonomy/migration_templates/taxonomy_settings.yml
@@ -8,7 +8,7 @@
   variables:
     - taxonomy_override_selector
     - taxonomy_terms_per_page_admin
-  provider: taxonomy
+  source_module: taxonomy
 process:
   override_selector: taxonomy_override_selector
   terms_per_page_admin: taxonomy_terms_per_page_admin
diff -u b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNodeRevision.php b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNodeRevision.php
--- b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNodeRevision.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNodeRevision.php
@@ -7,7 +7,7 @@
  *
  * @MigrateSource(
  *   id = "d6_term_node_revision",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class TermNodeRevision extends TermNode {
diff -u b/core/modules/text/migration_templates/text_settings.yml b/core/modules/text/migration_templates/text_settings.yml
--- b/core/modules/text/migration_templates/text_settings.yml
+++ b/core/modules/text/migration_templates/text_settings.yml
@@ -7,7 +7,7 @@
   plugin: variable
   variables:
     - teaser_length
-  provider: text
+  source_module: text
 process:
   default_summary_length: teaser_length
 destination:
diff -u b/core/modules/tracker/migration_templates/d7_tracker_settings.yml b/core/modules/tracker/migration_templates/d7_tracker_settings.yml
--- b/core/modules/tracker/migration_templates/d7_tracker_settings.yml
+++ b/core/modules/tracker/migration_templates/d7_tracker_settings.yml
@@ -6,7 +6,7 @@
   plugin: variable
   variables:
     - tracker_batch_size
-  provider: tracker
+  source_module: tracker
 process:
   cron_index_limit: tracker_batch_size
 destination:
diff -u b/core/modules/update/migration_templates/update_settings.yml b/core/modules/update/migration_templates/update_settings.yml
--- b/core/modules/update/migration_templates/update_settings.yml
+++ b/core/modules/update/migration_templates/update_settings.yml
@@ -11,7 +11,7 @@
     - update_notification_threshold
     - update_notify_emails
     - update_check_frequency
-  provider: update
+  source_module: update
 process:
   'fetch/max_attempts': update_max_fetch_attempts
   'fetch/url': update_fetch_url
diff -u b/core/modules/user/migration_templates/d6_user_mail.yml b/core/modules/user/migration_templates/d6_user_mail.yml
--- b/core/modules/user/migration_templates/d6_user_mail.yml
+++ b/core/modules/user/migration_templates/d6_user_mail.yml
@@ -19,7 +19,7 @@
     - user_mail_register_pending_approval_body
     - user_mail_status_blocked_subject
     - user_mail_status_blocked_body
-  provider: user
+  source_module: user
 process:
   'status_activated/subject':
     plugin: convert_tokens
diff -u b/core/modules/user/migration_templates/d6_user_settings.yml b/core/modules/user/migration_templates/d6_user_settings.yml
--- b/core/modules/user/migration_templates/d6_user_settings.yml
+++ b/core/modules/user/migration_templates/d6_user_settings.yml
@@ -10,7 +10,7 @@
     - user_email_verification
     - user_register
     - anonymous
-  provider: user
+  source_module: user
 process:
   'notify/status_blocked': user_mail_status_blocked_notify
   'notify/status_activated': user_mail_status_activated_notify
diff -u b/core/modules/user/migration_templates/d7_user_flood.yml b/core/modules/user/migration_templates/d7_user_flood.yml
--- b/core/modules/user/migration_templates/d7_user_flood.yml
+++ b/core/modules/user/migration_templates/d7_user_flood.yml
@@ -10,7 +10,7 @@
     - user_failed_login_ip_window
     - user_failed_login_user_window
     - user_failed_login_user_limit
-  provider: user
+  source_module: user
 process:
   uid_only: user_failed_login_identifier_uid_only
   ip_limit: user_failed_login_ip_limit
diff -u b/core/modules/user/migration_templates/d7_user_mail.yml b/core/modules/user/migration_templates/d7_user_mail.yml
--- b/core/modules/user/migration_templates/d7_user_mail.yml
+++ b/core/modules/user/migration_templates/d7_user_mail.yml
@@ -19,7 +19,7 @@
     - user_mail_register_pending_approval_body
     - user_mail_status_blocked_subject
     - user_mail_status_blocked_body
-  provider: user
+  source_module: user
 process:
    'status_activated/subject': user_mail_status_activated_subject
    'status_activated/body': user_mail_status_activated_body
diff -u b/core/modules/user/migration_templates/d7_user_role.yml b/core/modules/user/migration_templates/d7_user_role.yml
--- b/core/modules/user/migration_templates/d7_user_role.yml
+++ b/core/modules/user/migration_templates/d7_user_role.yml
@@ -4,7 +4,7 @@
   - Drupal 7
 source:
   plugin: d7_user_role
-  provider: user
+  source_module: user
 process:
   id:
     -
diff -u b/core/modules/user/migration_templates/user_picture_entity_display.yml b/core/modules/user/migration_templates/user_picture_entity_display.yml
--- b/core/modules/user/migration_templates/user_picture_entity_display.yml
+++ b/core/modules/user/migration_templates/user_picture_entity_display.yml
@@ -16,7 +16,7 @@
       settings:
         image_style: ''
         image_link: content
-  provider: user
+  source_module: user
 process:
   entity_type: 'constants/entity_type'
   bundle: 'constants/bundle'
diff -u b/core/modules/user/migration_templates/user_picture_entity_form_display.yml b/core/modules/user/migration_templates/user_picture_entity_form_display.yml
--- b/core/modules/user/migration_templates/user_picture_entity_form_display.yml
+++ b/core/modules/user/migration_templates/user_picture_entity_form_display.yml
@@ -15,7 +15,7 @@
       settings:
         progress_indicator: throbber
         preview_image_style: thumbnail
-  provider: user
+  source_module: user
 process:
   entity_type: 'constants/entity_type'
   bundle: 'constants/bundle'
diff -u b/core/modules/user/migration_templates/user_picture_field.yml b/core/modules/user/migration_templates/user_picture_field.yml
--- b/core/modules/user/migration_templates/user_picture_field.yml
+++ b/core/modules/user/migration_templates/user_picture_field.yml
@@ -12,7 +12,7 @@
     type: image
     name: user_picture
     cardinality: 1
-  provider: user
+  source_module: user
 process:
   entity_type: 'constants/entity_type'
   field_name: 'constants/name'
diff -u b/core/modules/user/migration_templates/user_picture_field_instance.yml b/core/modules/user/migration_templates/user_picture_field_instance.yml
--- b/core/modules/user/migration_templates/user_picture_field_instance.yml
+++ b/core/modules/user/migration_templates/user_picture_field_instance.yml
@@ -16,7 +16,7 @@
       min_resolution: ''
       alt_field_required: false
       title_field_required: false
-  provider: user
+  source_module: user
 process:
   entity_type: 'constants/entity_type'
   bundle: 'constants/bundle'
diff -u b/core/modules/user/migration_templates/user_profile_entity_display.yml b/core/modules/user/migration_templates/user_profile_entity_display.yml
--- b/core/modules/user/migration_templates/user_profile_entity_display.yml
+++ b/core/modules/user/migration_templates/user_profile_entity_display.yml
@@ -39,7 +39,7 @@
       4: true # PROFILE_HIDDEN
 destination:
   plugin: component_entity_display
-  provider: user
+  source_module: user
 migration_dependencies:
   required:
     - user_profile_field_instance
diff -u b/core/modules/user/src/Plugin/migrate/source/d6/Role.php b/core/modules/user/src/Plugin/migrate/source/d6/Role.php
--- b/core/modules/user/src/Plugin/migrate/source/d6/Role.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/Role.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_user_role",
- *   source_provider = "user"
+ *   source_module = "user"
  * )
  */
 class Role extends DrupalSqlBase {
diff -u b/core/modules/user/src/Plugin/migrate/source/d6/User.php b/core/modules/user/src/Plugin/migrate/source/d6/User.php
--- b/core/modules/user/src/Plugin/migrate/source/d6/User.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/User.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_user",
- *   source_provider = "user"
+ *   source_module = "user"
  * )
  */
 class User extends DrupalSqlBase {
diff -u b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
--- b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/UserPicture.php
@@ -11,7 +11,7 @@
  *
  * @MigrateSource(
  *   id = "d6_user_picture",
- *   source_provider = "user"
+ *   source_module = "user"
  * )
  */
 class UserPicture extends DrupalSqlBase {
diff -u b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
--- b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/UserPictureFile.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_user_picture_file",
- *   source_provider = "user"
+ *   source_module = "user"
  * )
  */
 class UserPictureFile extends DrupalSqlBase {
diff -u b/core/modules/user/src/Plugin/migrate/source/d7/User.php b/core/modules/user/src/Plugin/migrate/source/d7/User.php
--- b/core/modules/user/src/Plugin/migrate/source/d7/User.php
+++ b/core/modules/user/src/Plugin/migrate/source/d7/User.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d7_user",
- *   source_provider = "user"
+ *   source_module = "user"
  * )
  */
 class User extends FieldableEntity {
only in patch2:
unchanged:
--- a/core/modules/action/src/Plugin/migrate/source/Action.php
+++ b/core/modules/action/src/Plugin/migrate/source/Action.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "action",
- *   source_provider = "system"
+ *   source_module = "system"
  * )
  */
 class Action extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/aggregator/src/Plugin/migrate/source/AggregatorFeed.php
+++ b/core/modules/aggregator/src/Plugin/migrate/source/AggregatorFeed.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "aggregator_feed",
- *   source_provider = "aggregator"
+ *   source_module = "aggregator"
  * )
  */
 class AggregatorFeed extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/aggregator/src/Plugin/migrate/source/AggregatorItem.php
+++ b/core/modules/aggregator/src/Plugin/migrate/source/AggregatorItem.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "aggregator_item",
- *   source_provider = "aggregator"
+ *   source_module = "aggregator"
  * )
  */
 class AggregatorItem extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/ban/src/Plugin/migrate/source/d7/BlockedIps.php
+++ b/core/modules/ban/src/Plugin/migrate/source/d7/BlockedIps.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_blocked_ips",
- *   source_provider = "system"
+ *   source_module = "system"
  * )
  */
 class BlockedIps extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/block/src/Plugin/migrate/source/Block.php
+++ b/core/modules/block/src/Plugin/migrate/source/Block.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "block",
- *   source_provider = "block"
+ *   source_module = "block"
  * )
  */
 class Block extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/comment/src/Plugin/migrate/source/d6/Comment.php
+++ b/core/modules/comment/src/Plugin/migrate/source/d6/Comment.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_comment",
- *   source_provider = "comment"
+ *   source_module = "comment"
  * )
  */
 class Comment extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/comment/src/Plugin/migrate/source/d7/Comment.php
+++ b/core/modules/comment/src/Plugin/migrate/source/d7/Comment.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d7_comment",
- *   source_provider = "comment"
+ *   source_module = "comment"
  * )
  */
 class Comment extends FieldableEntity {
only in patch2:
unchanged:
--- a/core/modules/comment/src/Plugin/migrate/source/d7/CommentType.php
+++ b/core/modules/comment/src/Plugin/migrate/source/d7/CommentType.php
@@ -11,7 +11,7 @@
  *
  * @MigrateSource(
  *   id = "d7_comment_type",
- *   source_provider = "comment"
+ *   source_module = "comment"
  * )
  */
 class CommentType extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/config_translation/src/Plugin/migrate/source/d6/I18nProfileField.php
+++ b/core/modules/config_translation/src/Plugin/migrate/source/d6/I18nProfileField.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_i18n_profile_field",
- *   source_provider = "i18n"
+ *   source_module = "i18n"
  * )
  */
 class I18nProfileField extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/contact/src/Plugin/migrate/source/ContactCategory.php
+++ b/core/modules/contact/src/Plugin/migrate/source/ContactCategory.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "contact_category",
- *   source_provider = "contact"
+ *   source_module = "contact"
  * )
  */
 class ContactCategory extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/contact/src/Plugin/migrate/source/ContactSettings.php
+++ b/core/modules/contact/src/Plugin/migrate/source/ContactSettings.php
@@ -7,7 +7,7 @@
 /**
  * @MigrateSource(
  *   id = "contact_settings",
- *   source_provider = "contact"
+ *   source_module = "contact"
  * )
  */
 class ContactSettings extends Variable {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d6/Field.php
+++ b/core/modules/field/src/Plugin/migrate/source/d6/Field.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_field",
- *   source_provider = "content"
+ *   source_module = "content"
  * )
  */
 class Field extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d6/FieldInstance.php
+++ b/core/modules/field/src/Plugin/migrate/source/d6/FieldInstance.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_field_instance",
- *   source_provider = "content"
+ *   source_module = "content"
  * )
  */
 class FieldInstance extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d6/FieldInstancePerFormDisplay.php
+++ b/core/modules/field/src/Plugin/migrate/source/d6/FieldInstancePerFormDisplay.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_field_instance_per_form_display",
- *   source_provider = "content"
+ *   source_module = "content"
  * )
  */
 class FieldInstancePerFormDisplay extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d6/FieldInstancePerViewMode.php
+++ b/core/modules/field/src/Plugin/migrate/source/d6/FieldInstancePerViewMode.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_field_instance_per_view_mode",
- *   source_provider = "content"
+ *   source_module = "content"
  * )
  */
 class FieldInstancePerViewMode extends ViewModeBase {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d7/FieldInstance.php
+++ b/core/modules/field/src/Plugin/migrate/source/d7/FieldInstance.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d7_field_instance",
- *   source_provider = "field"
+ *   source_module = "field"
  * )
  */
 class FieldInstance extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/field/src/Plugin/migrate/source/d7/FieldInstancePerViewMode.php
+++ b/core/modules/field/src/Plugin/migrate/source/d7/FieldInstancePerViewMode.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_field_instance_per_view_mode",
- *   source_provider = "field"
+ *   source_module = "field"
  * )
  */
 class FieldInstancePerViewMode extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/file/src/Plugin/migrate/source/d6/Upload.php
+++ b/core/modules/file/src/Plugin/migrate/source/d6/Upload.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_upload",
- *   source_provider = "upload"
+ *   source_module = "upload"
  * )
  */
 class Upload extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/file/src/Plugin/migrate/source/d6/UploadInstance.php
+++ b/core/modules/file/src/Plugin/migrate/source/d6/UploadInstance.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_upload_instance",
- *   source_provider = "upload"
+ *   source_module = "upload"
  * )
  */
 class UploadInstance extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/image/src/Plugin/migrate/source/d6/ImageCachePreset.php
+++ b/core/modules/image/src/Plugin/migrate/source/d6/ImageCachePreset.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_imagecache_presets",
- *   source_provider = "imagecache"
+ *   source_module = "imagecache"
  * )
  */
 class ImageCachePreset extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/image/src/Plugin/migrate/source/d7/ImageStyles.php
+++ b/core/modules/image/src/Plugin/migrate/source/d7/ImageStyles.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d7_image_styles",
- *   source_provider = "image"
+ *   source_module = "image"
  * )
  */
 class ImageStyles extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/language/src/Plugin/migrate/source/Language.php
+++ b/core/modules/language/src/Plugin/migrate/source/Language.php
@@ -8,7 +8,7 @@
 /**
  * @MigrateSource(
  *   id = "language",
- *   source_provider = "locale"
+ *   source_module = "locale"
  * )
  */
 class Language extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/migrate/src/Annotation/MigrateSource.php
+++ b/core/modules/migrate/src/Annotation/MigrateSource.php
@@ -45,14 +45,14 @@ class MigrateSource extends Plugin implements MultipleProviderAnnotationInterfac
    *
    * This can be any type, and the source plugin itself determines how the value
    * is used. For example, Migrate Drupal's source plugins expect
-   * source_provider to be the name of a module that must be installed and
+   * source_module to be the name of a module that must be installed and
    * enabled in the source database.
    *
    * @see \Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase::checkRequirements
    *
    * @var mixed
    */
-  public $source_provider;
+  public $source_module;
 
   /**
    * Specifies the minimum version of the source provider.
@@ -60,7 +60,7 @@ class MigrateSource extends Plugin implements MultipleProviderAnnotationInterfac
    * This can be any type, and the source plugin itself determines how it is
    * used. For example, Migrate Drupal's source plugins expect this to be an
    * integer representing the minimum installed database schema version of the
-   * module specified by source_provider.
+   * module specified by source_module.
    *
    * @var mixed
    */
only in patch2:
unchanged:
--- a/core/modules/migrate_drupal/src/Plugin/migrate/source/DrupalSqlBase.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/source/DrupalSqlBase.php
@@ -94,14 +94,14 @@ public static function create(ContainerInterface $container, array $configuratio
    */
   public function checkRequirements() {
     if ($this->pluginDefinition['requirements_met'] === TRUE) {
-      if (isset($this->pluginDefinition['source_provider'])) {
-        if ($this->moduleExists($this->pluginDefinition['source_provider'])) {
-          if (isset($this->pluginDefinition['minimum_schema_version']) && !$this->getModuleSchemaVersion($this->pluginDefinition['source_provider']) < $this->pluginDefinition['minimum_schema_version']) {
+      if (isset($this->pluginDefinition['source_module'])) {
+        if ($this->moduleExists($this->pluginDefinition['source_module'])) {
+          if (isset($this->pluginDefinition['minimum_schema_version']) && !$this->getModuleSchemaVersion($this->pluginDefinition['source_module']) < $this->pluginDefinition['minimum_schema_version']) {
             throw new RequirementsException('Required minimum schema version ' . $this->pluginDefinition['minimum_schema_version'], ['minimum_schema_version' => $this->pluginDefinition['minimum_schema_version']]);
           }
         }
         else {
-          throw new RequirementsException('The module ' . $this->pluginDefinition['source_provider'] . ' is not enabled in the source site.', ['source_provider' => $this->pluginDefinition['source_provider']]);
+          throw new RequirementsException('The module ' . $this->pluginDefinition['source_module'] . ' is not enabled in the source site.', ['source_module' => $this->pluginDefinition['source_module']]);
         }
       }
     }
only in patch2:
unchanged:
--- a/core/modules/migrate_drupal/tests/src/Unit/source/DrupalSqlBaseTest.php
+++ b/core/modules/migrate_drupal/tests/src/Unit/source/DrupalSqlBaseTest.php
@@ -43,7 +43,7 @@ class DrupalSqlBaseTest extends MigrateTestCase {
    */
   public function testSourceProviderNotActive() {
     $plugin_definition['requirements_met'] = TRUE;
-    $plugin_definition['source_provider'] = 'module1';
+    $plugin_definition['source_module'] = 'module1';
     /** @var \Drupal\Core\State\StateInterface $state */
     $state = $this->getMock('Drupal\Core\State\StateInterface');
     /** @var \Drupal\Core\Entity\EntityManagerInterface $entity_manager */
@@ -57,7 +57,7 @@ public function testSourceProviderNotActive() {
     }
     catch (RequirementsException $e) {
       // Ensure requirements are set on the exception.
-      $this->assertEquals(['source_provider' => 'module1'], $e->getRequirements());
+      $this->assertEquals(['source_module' => 'module1'], $e->getRequirements());
       // Re-throw so PHPUnit can assert the exception.
       throw $e;
     }
only in patch2:
unchanged:
--- a/core/modules/node/migration_templates/d6_node_translation.yml
+++ b/core/modules/node/migration_templates/d6_node_translation.yml
@@ -52,4 +52,4 @@ migration_dependencies:
     - d6_field_instance_widget_settings
     - d6_field_formatter_settings
     - d6_upload_field_instance
-provider: migrate_drupal
+source_module: migrate_drupal
only in patch2:
unchanged:
--- a/core/modules/node/migration_templates/d7_node_translation.yml
+++ b/core/modules/node/migration_templates/d7_node_translation.yml
@@ -39,4 +39,4 @@ migration_dependencies:
     - language
   optional:
     - d7_field_instance
-provider: migrate_drupal
+source_module: migrate_drupal
only in patch2:
unchanged:
--- a/core/modules/node/src/Plugin/migrate/source/d6/ViewMode.php
+++ b/core/modules/node/src/Plugin/migrate/source/d6/ViewMode.php
@@ -7,7 +7,7 @@
  *
  * @MigrateSource(
  *   id = "d6_view_mode",
- *   source_provider = "content"
+ *   source_module = "content"
  * )
  */
 class ViewMode extends ViewModeBase {
only in patch2:
unchanged:
--- a/core/modules/node/src/Plugin/migrate/source/d7/Node.php
+++ b/core/modules/node/src/Plugin/migrate/source/d7/Node.php
@@ -17,7 +17,7 @@
  *
  * @MigrateSource(
  *   id = "d7_node",
- *   source_provider = "node"
+ *   source_module = "node"
  * )
  */
 class Node extends FieldableEntity {
only in patch2:
unchanged:
--- a/core/modules/node/src/Plugin/migrate/source/d7/NodeRevision.php
+++ b/core/modules/node/src/Plugin/migrate/source/d7/NodeRevision.php
@@ -7,7 +7,7 @@
  *
  * @MigrateSource(
  *   id = "d7_node_revision",
- *   source_provider = "node"
+ *   source_module = "node"
  * )
  */
 class NodeRevision extends Node {
only in patch2:
unchanged:
--- a/core/modules/node/src/Plugin/migrate/source/d7/NodeType.php
+++ b/core/modules/node/src/Plugin/migrate/source/d7/NodeType.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d7_node_type",
- *   source_provider = "node"
+ *   source_module = "node"
  * )
  */
 class NodeType extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/path/src/Plugin/migrate/source/d6/UrlAlias.php
+++ b/core/modules/path/src/Plugin/migrate/source/d6/UrlAlias.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d6_url_alias",
- *   source_provider = "path"
+ *   source_module = "path"
  * )
  */
 class UrlAlias extends UrlAliasBase {
only in patch2:
unchanged:
--- a/core/modules/path/src/Plugin/migrate/source/d7/UrlAlias.php
+++ b/core/modules/path/src/Plugin/migrate/source/d7/UrlAlias.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_url_alias",
- *   source_provider = "path"
+ *   source_module = "path"
  * )
  */
 class UrlAlias extends UrlAliasBase {
only in patch2:
unchanged:
--- a/core/modules/shortcut/src/Plugin/migrate/source/d7/Shortcut.php
+++ b/core/modules/shortcut/src/Plugin/migrate/source/d7/Shortcut.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_shortcut",
- *   source_provider = "shortcut"
+ *   source_module = "shortcut"
  * )
  */
 class Shortcut extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/shortcut/src/Plugin/migrate/source/d7/ShortcutSet.php
+++ b/core/modules/shortcut/src/Plugin/migrate/source/d7/ShortcutSet.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_shortcut_set",
- *   source_provider = "shortcut"
+ *   source_module = "shortcut"
  * )
  */
 class ShortcutSet extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/shortcut/src/Plugin/migrate/source/d7/ShortcutSetUsers.php
+++ b/core/modules/shortcut/src/Plugin/migrate/source/d7/ShortcutSetUsers.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_shortcut_set_users",
- *   source_provider = "shortcut"
+ *   source_module = "shortcut"
  * )
  */
 class ShortcutSetUsers extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/system/src/Plugin/migrate/source/Menu.php
+++ b/core/modules/system/src/Plugin/migrate/source/Menu.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "menu",
- *   source_provider = "menu"
+ *   source_module = "menu"
  * )
  */
 class Menu extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/system/src/Plugin/migrate/source/d7/ThemeSettings.php
+++ b/core/modules/system/src/Plugin/migrate/source/d7/ThemeSettings.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_theme_settings",
- *   source_provider = "system"
+ *   source_module = "system"
  * )
  */
 class ThemeSettings extends VariableMultiRow {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/Term.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/Term.php
@@ -12,7 +12,7 @@
  *
  * @MigrateSource(
  *   id = "taxonomy_term",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  *
  * @deprecated in Drupal 8.3.0, intended to be removed in Drupal 9.0.0.
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d6/Term.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/Term.php
@@ -12,7 +12,7 @@
  *
  * @MigrateSource(
  *   id = "d6_taxonomy_term",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class Term extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNode.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNode.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_term_node",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class TermNode extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d6/Vocabulary.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/Vocabulary.php
@@ -11,7 +11,7 @@
  *
  * @MigrateSource(
  *   id = "d6_taxonomy_vocabulary",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class Vocabulary extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d6/VocabularyPerType.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d6/VocabularyPerType.php
@@ -7,7 +7,7 @@
  *
  * @MigrateSource(
  *   id = "d6_taxonomy_vocabulary_per_type",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class VocabularyPerType extends Vocabulary {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d7/Term.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d7/Term.php
@@ -12,7 +12,7 @@
  *
  * @MigrateSource(
  *   id = "d7_taxonomy_term",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class Term extends FieldableEntity {
only in patch2:
unchanged:
--- a/core/modules/taxonomy/src/Plugin/migrate/source/d7/Vocabulary.php
+++ b/core/modules/taxonomy/src/Plugin/migrate/source/d7/Vocabulary.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_taxonomy_vocabulary",
- *   source_provider = "taxonomy"
+ *   source_module = "taxonomy"
  * )
  */
 class Vocabulary extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/tracker/src/Plugin/migrate/source/d7/TrackerNode.php
+++ b/core/modules/tracker/src/Plugin/migrate/source/d7/TrackerNode.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_tracker_node",
- *   source_provider = "tracker"
+ *   source_module = "tracker"
  * )
  */
 class TrackerNode extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/tracker/src/Plugin/migrate/source/d7/TrackerUser.php
+++ b/core/modules/tracker/src/Plugin/migrate/source/d7/TrackerUser.php
@@ -9,7 +9,7 @@
  *
  * @MigrateSource(
  *   id = "d7_tracker_user",
- *   source_provider = "tracker"
+ *   source_module = "tracker"
  * )
  */
 class TrackerUser extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/user/src/Plugin/migrate/source/ProfileField.php
+++ b/core/modules/user/src/Plugin/migrate/source/ProfileField.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "profile_field",
- *   source_provider = "profile"
+ *   source_module = "profile"
  * )
  */
 class ProfileField extends DrupalSqlBase {
only in patch2:
unchanged:
--- a/core/modules/user/src/Plugin/migrate/source/d6/ProfileFieldValues.php
+++ b/core/modules/user/src/Plugin/migrate/source/d6/ProfileFieldValues.php
@@ -10,7 +10,7 @@
  *
  * @MigrateSource(
  *   id = "d6_profile_field_values",
- *   source_provider = "profile"
+ *   source_module = "profile"
  * )
  */
 class ProfileFieldValues extends DrupalSqlBase {