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