import { PipeTransform } from '@angular/core';
import { SafeAny } from '@ngx-simple/core/types';
export declare type Mapper<T, G> = (item: T, ...args: SafeAny[]) => G;
/**
 * 映射器
 *
 * @example
 * {
 *   readonly value = 125;
 *   readonly max = 100;
 *   readonly canValue = Mapper<number, number> = (value: number, max: number) => Math.min(value, max);
 * }
 *
 * {{ value | mapper: canValue : max }}
 * // 100
 */
export declare class SimMapperPipe<T, G> implements PipeTransform {
    transform(value: T, mapper: Mapper<T, G>, ...args: SafeAny[]): G;
}