import { OperatorFunction } from 'rxjs';
/**
 * Strong typed pluck function to replace
 * rxjs/operators/pluck
 *
 * Accept max 4 properties name
 */
export declare function pluck<A, B extends keyof A>(s1: B): OperatorFunction<A, A[B]>;
export declare function pluck<A, B extends keyof A, C extends keyof A[B]>(s1: B, s2: C): OperatorFunction<A, A[B][C]>;
export declare function pluck<A, B extends keyof A, C extends keyof A[B], D extends keyof A[B][C]>(s1: B, s2: C, s3: D): OperatorFunction<A, A[B][C][D]>;
export declare function pluck<A, B extends keyof A, C extends keyof A[B], D extends keyof A[B][C], E extends keyof A[B][C][D]>(s1: B, s2: C, s3: D, s4: E): OperatorFunction<A, A[B][C][D][E]>;
export declare function pluck<A, B extends keyof A, C extends keyof A[B], D extends keyof A[B][C], E extends keyof A[B][C][D], F extends keyof A[B][C][D][E]>(s1: B, s2: C, s3: D, s4: E, s5: F): OperatorFunction<A, A[B][C][D][E][F]>;
export declare function pluck<A, B extends keyof A, C extends keyof A[B], D extends keyof A[B][C], E extends keyof A[B][C][D], F extends keyof A[B][C][D][E], G extends keyof A[B][C][D][E][F]>(s1: B, s2: C, s3: D, s4: E, s5: F, s6: G): OperatorFunction<A, A[B][C][D][E][F][G]>;
export declare function pluck<T, V>(...props: string[]): OperatorFunction<T, V>;