import { BautaJSInstance, Context } from '../types';
/**
 * Decorator that allows to loop over the given selected array and map each item.
 *
 * @param {(prev: TIn, ctx: Context, batuaJS: BautaJSInstance) => TIn1[]} selector - selector function to select the array to loop
 * @param {(value: TIn1, ctx: Context, batuaJS: BautaJSInstance) => TOut} mapFn - map function to be applied to all array items. The map function can not be async if you need to use async use parallelMap decorator.
 * @returns {Pipeline.StepFunction<TIn, TOut[]>}
 *
 * @example
 *
 * const { map, pipe, step } =  require('@axa/bautajs-core');
 *
 * const getMovies = step(() => [{name: 'star wars'},{ name: 'petter' }]);
 * const addGenresNamesToMovie = step((movie) => ({...movie, genre:'action'}));
 * const addTmdbIdToMovie = step((movie) => ({...movie, tmdbId:'1234'}));

 *  const pipeline = pipe(
 *    getMovies,
 *    map((movies) => movies, pipe(addGenresNamesToMovie, addTmdbIdToMovie))
 *  );
 *
 */
export declare function map<TIn, TIn1, TOut>(selector: (prev: TIn, ctx: Context, batuaJS: BautaJSInstance) => TIn1[], mapFn: (value: TIn1, ctx: Context, batuaJS: BautaJSInstance) => TOut): (value: TIn, ctx: Context, batuaJS: BautaJSInstance) => TOut[];
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