flow like the river

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

@@ -0,0 +1,12 @@
+import { ASTVisitor } from '../../language/visitor';
+import { ASTValidationContext } from '../ValidationContext';
+
+/**
+ * Lone anonymous operation
+ *
+ * A GraphQL document is only valid if when it contains an anonymous operation
+ * (the query short-hand) that it contains only that one operation definition.
+ */
+export function LoneAnonymousOperationRule(
+  context: ASTValidationContext,
+): ASTVisitor;