/** @category Validation Rules */ import type { ASTVisitor } from "../../language/visitor.js"; import type { ASTValidationContext } from "../ValidationContext.js"; /** * Implements the max introspection depth validation rule. * @param context - The validation context used while checking the document. * @returns A visitor that reports validation errors for this rule. * @example * ```ts * import { buildSchema, parse, validate } from 'graphql'; * import { MaxIntrospectionDepthRule } from 'graphql/validation'; * * const schema = buildSchema(` * type Query { * name: String * } * `); * * const invalidDocument = parse(` * { __schema { types { fields { type { fields { type { fields { name } } } } } } } } * `); * const invalidErrors = validate(schema, invalidDocument, [ * MaxIntrospectionDepthRule, * ]); * * invalidErrors.length; // => 1 * * const validDocument = parse(` * { __schema { queryType { name } } } * `); * const validErrors = validate(schema, validDocument, [ * MaxIntrospectionDepthRule, * ]); * * validErrors; // => [] * ``` */ export declare function MaxIntrospectionDepthRule(context: ASTValidationContext): ASTVisitor;