import type { GraphQLParams } from '../../types.js'; import type { Plugin } from '../types.js'; export declare function assertInvalidParams(params: unknown, extraParamNames?: string[]): asserts params is GraphQLParams; export declare function checkGraphQLQueryParams(params: unknown, extraParamNames?: string[]): GraphQLParams; export declare function isValidGraphQLParams(params: unknown): params is GraphQLParams; export declare function useCheckGraphQLQueryParams(extraParamNames?: string[]): Plugin;