Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/search/config/install/search.settings.yml

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+and_or_limit: 7
+default_page: node_search
+index:
+  cron_limit: 100
+  overlap_cjk: true
+  minimum_word_size: 3
+  tag_weights:
+    h1: 25
+    h2: 18
+    h3: 15
+    h4: 14
+    h5: 9
+    h6: 6
+    u: 3
+    b: 3
+    i: 3
+    strong: 3
+    em: 3
+    a: 10
+logging: false

core/modules/search/config/schema/search.schema.yml

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+# Schema for the configuration files of the search module.
+
+search.settings:
+  type: config_object
+  label: 'Search settings'
+  mapping:
+    and_or_limit:
+      type: integer
+      label: 'AND/OR combination limit'
+    default_page:
+      type: string
+      label: 'Default search page'
+    index:
+      type: mapping
+      label: 'Indexing settings'
+      mapping:
+        cron_limit:
+          type: integer
+          label: 'Number of items to index per cron run'
+        overlap_cjk:
+          type: boolean
+          label: 'Simple CJK handling'
+        minimum_word_size:
+          type: integer
+          label: 'Minimum word length to index'
+        tag_weights:
+          type: mapping
+          label: 'HTML tags weight'
+          mapping:
+            h1:
+              type: integer
+              label: 'Tag h1 weight'
+            h2:
+              type: integer
+              label: 'Tag h2 weight'
+            h3:
+              type: integer
+              label: 'Tag h3 weight'
+            h4:
+              type: integer
+              label: 'Tag h4 weight'
+            h5:
+              type: integer
+              label: 'Tag h5 weight'
+            h6:
+              type: integer
+              label: 'Tag h6 weight'
+            u:
+              type: integer
+              label: 'Tag u weight'
+            b:
+              type: integer
+              label: 'Tag b weight'
+            i:
+              type: integer
+              label: 'Tag i weight'
+            strong:
+              type: integer
+              label: 'Tag strong weight'
+            em:
+              type: integer
+              label: 'Tag em weight'
+            a:
+              type: integer
+              label: 'Tag a weight'
+    logging:
+      type: boolean
+      label: 'Log searches'
+
+search.page.*:
+  type: config_entity
+  label: 'Search page'
+  mapping:
+    id:
+      type: string
+      label: 'ID'
+    label:
+      type: label
+      label: 'Label'
+    path:
+      type: string
+      label: 'Search page path'
+    weight:
+      type: integer
+      label: 'Weight'
+    plugin:
+      type: string
+      label: 'Plugin'
+    configuration:
+      type: search.plugin.[%parent.plugin]

core/modules/search/config/schema/search.views.schema.yml

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+# Schema for the views plugins of the Search module.
+
+views.argument.search:
+  type: views_argument
+  label: 'Query key'
+
+views.field.search_score:
+  type: views.field.numeric
+  label: 'Search score'
+  mapping:
+    alternate_sort:
+      type: string
+      label: 'Alternative sort'
+    alternate_order:
+      type: string
+      label: 'Alternate sort order'
+
+views.filter.search:
+  type: views_filter
+  label: 'Link to node'
+  mapping:
+    operator:
+      type: string
+      label: 'On empty input'
+
+views.filter_value.search_keywords:
+  type: string
+  label: 'Search keywords'
+
+views.row.search_view:
+  type: views_row
+  label: 'Source link'
+  mapping:
+    score:
+      type: boolean
+      label: 'Display score'
+
+views.sort.search_score:
+  type: views_sort
+  label: 'Search score'