/**
 * BLPOP key [key ...] timeout
 * Block until one of the keys has an element, or timeout (seconds). timeout 0 = block indefinitely.
 * Returns [key, element] on success, nil on timeout.
 */
import type { CommandContext, CommandReply, Engine } from '../types.ts';
export declare function handleBlpop(engine: Engine, args: Buffer[], context?: CommandContext): CommandReply;