import { Schema } from '@mrleebo/prisma-ast';
/**
 * A file transformer that parses a schema.prisma string, offers you a callback
 * of the parsed document object, then takes your changes to the document and
 * writes out a new schema.prisma string with the changes applied.
 *
 * @param source - schema.prisma source file contents
 * @param producer - a callback function that can mutate the parsed data model
 * @returns The modified schema.prisma source
 */
export declare function produceSchema(source: string, producer: (schema: Schema) => void): Promise<string>;