import { OperatorFunction } from '../types'; export declare function pluck(k1: K1): OperatorFunction; export declare function pluck(k1: K1, k2: K2): OperatorFunction; export declare function pluck(k1: K1, k2: K2, k3: K3): OperatorFunction; export declare function pluck(k1: K1, k2: K2, k3: K3, k4: K4): OperatorFunction; export declare function pluck(k1: K1, k2: K2, k3: K3, k4: K4, k5: K5): OperatorFunction; export declare function pluck(k1: K1, k2: K2, k3: K3, k4: K4, k5: K5, k6: K6): OperatorFunction; export declare function pluck(...properties: string[]): OperatorFunction;