import { type OperatorFunction } from "rxjs";
/** Operator object type: one branch operator per output key. */
type CombineLatestByObjectOperators<Input, Output extends Record<string, unknown>> = {
    [K in keyof Output]: OperatorFunction<Input, Output[K]>;
};
/** Operator tuple type: one branch operator per output index. */
type CombineLatestByArrayOperators<Input, Output extends readonly unknown[]> = {
    [K in keyof Output]: OperatorFunction<Input, Output[K]>;
};
/**
 * Branches a source through multiple operators and combines branch outputs with
 * `combineLatest` semantics.
 */
export declare function combineLatestBy<Input, Output extends Record<string, unknown>>(operators: CombineLatestByObjectOperators<Input, Output>): OperatorFunction<Input, Output>;
export declare function combineLatestBy<Input, Output extends readonly unknown[]>(operators: CombineLatestByArrayOperators<Input, Output>): OperatorFunction<Input, Output>;
export {};