import { Expression } from '../../core/expression';
import { PipeOperator } from '../../core/pipe-operator';
import { ObjectValueSelector, ObjectValueSelectorType } from '../../helpers/object-value-selector';
export declare class MapOperator implements PipeOperator {
    readonly mapper: (input: Expression<any>) => Expression;
    constructor(mapper: (input: Expression<any>) => Expression);
    instantiate(input: Expression): Expression<any>;
}
export declare function map<TIn extends unknown[], TOut>(selector: PipeOperator<TIn[number], TOut>): PipeOperator<TIn, TOut[]>;
export declare function map<TIn extends unknown[], TSelector extends ObjectValueSelector<TIn[number]>>(selector: TSelector): PipeOperator<TIn, ObjectValueSelectorType<TIn[number], TSelector>[]>;