import { GraphQLScalarType } from 'graphql'; export type RegularExpressionErrorMessageFn = (r: RegExp, v: any) => string; export interface RegularExpressionOptions { errorMessage?: RegularExpressionErrorMessageFn; description?: string; stringOnly?: boolean; } export declare class RegularExpression extends GraphQLScalarType { constructor(name: string, regex: RegExp, options?: RegularExpressionOptions); }