/**
 * Command registry: normalize to uppercase, route to handler, return unsupported error for unknown.
 */
import type { BlockRequest, CommandContext, CommandHandler, CommandReply, Engine, RespValue } from '../types.ts';
declare const COMPILED_POLICY_TAG: unique symbol;
export interface CommandPolicy {
    rename?: Record<string, string>;
    disabled?: string[];
}
export interface CompiledCommandPolicy {
    [COMPILED_POLICY_TAG]: true;
    disabledSet: Set<string>;
    aliasToOriginal: Map<string, string>;
    renamedOriginals: Set<string>;
}
export declare function compileCommandPolicy(policy?: CommandPolicy | CompiledCommandPolicy | null | undefined): CompiledCommandPolicy | null;
export declare function resolveCommandName(inputCommand: string, policy?: CommandPolicy | CompiledCommandPolicy | null): string | null;
/** Outcome of one command: a reply to encode, an error, or a control instruction. */
export interface DispatchResult {
    result?: CommandReply;
    error?: string;
    quit?: true;
    block?: BlockRequest;
    pushes?: RespValue[];
}
/**
 * Dispatch command. Full argv: [commandNameBuf, ...argBuffers].
 * @param argv - first element is command name, rest are arguments
 * @param context - optional connection context (connectionId, clientAddress, writeResponse, onUnknownCommand, onCommandError)
 */
export declare function dispatch(engine: Engine, argv: Buffer[], context?: CommandContext): DispatchResult;
export declare function register(name: string, handler: CommandHandler): void;
export {};