import type { DataSourceFnBuilder, WithOutputType } from './data-source-fn-builder.types';
import type { WithMapOutputToType } from './with-map-output.types';
import type { OnSuccessFn, WithOnSuccess } from './with-on-success.types';
/**
 * Adds an onSuccessFn and corresponding types to a DataSourceFnBuilder.
 * When the function is called and succeeds, the onSuccessFn will also
 * be called. This is intended for side effects. Errors thrown in the
 * onSuccessFn will be caught and won't cause the function itself to fail.
 *
 * @param onSuccessFn - Called after the built function is called and succeeds
 * @return void
 */
export declare const withOnSuccess: <OutputType, MapOutputToType>(onSuccessFn: OnSuccessFn<OutputType>) => <BuilderType extends DataSourceFnBuilder>(builder: BuilderType & WithOutputType<OutputType> & (MapOutputToType extends never ? {} : WithMapOutputToType<MapOutputToType>)) => BuilderType & WithOnSuccess<OutputType>;
/**
 * A type guard to determine if a builder has an onSuccessFn.
 *
 * @param builder - Any DataSourceFnBuilder
 * @return boolean
 */
export declare const hasOnSuccessFn: <BuilderType, OutputType>(builder?: BuilderType | undefined) => builder is BuilderType & WithOnSuccess<OutputType>;