1 files changed, 31 insertions, 0 deletions
diff --git a/lib/gitlab/ci/build/rules/rule/clause.rb b/lib/gitlab/ci/build/rules/rule/clause.rb
new file mode 100644
index 00000000000..ff0baf3348c
--- /dev/null
+++ b/lib/gitlab/ci/build/rules/rule/clause.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Build
+      class Rules::Rule::Clause
+        ##
+        # Abstract class that defines an interface of a single
+        # job rule specification.
+        #
+        # Used for job's inclusion rules configuration.
+        #
+        UnknownClauseError = Class.new(StandardError)
+
+        def self.fabricate(type, value)
+          type = type.to_s.camelize
+
+          self.const_get(type).new(value) if self.const_defined?(type)
+        end
+
+        def initialize(spec)
+          @spec = spec
+        end
+
+        def satisfied_by?(pipeline, seed = nil)
+          raise NotImplementedError
+        end
+      end
+    end
+  end
+end