/**
 * Match inbound *text* messages to keyword commands (case-insensitive).
 */
export type CommandHandler<Ctx = unknown> = (ctx: Ctx) => void | Promise<void>;
export declare class CommandRouter<Ctx = unknown> {
    private commands;
    private _fallback;
    command(aliases: string | string[], handler: CommandHandler<Ctx>): this;
    fallback(handler: CommandHandler<Ctx>): this;
    dispatch(text: string | undefined | null, ctx: Ctx): Promise<boolean>;
}
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