flow like the river

BACK_BACK/node_modules/graphql/validation/rules/UniqueDirectiveNamesRule.d.ts

@@ -0,0 +1,11 @@
+import { ASTVisitor } from '../../language/visitor';
+import { SDLValidationContext } from '../ValidationContext';
+
+/**
+ * Unique directive names
+ *
+ * A GraphQL document is only valid if all defined directives have unique names.
+ */
+export function UniqueDirectiveNamesRule(
+  context: SDLValidationContext,
+): ASTVisitor;