/** Result of executing a core command. Plain data — no UI. */
export interface CommandResult {
    /** Outcome for the user, in a presentation-neutral voice. */
    message: string;
    /** Severity hints the surface's rendering (banner vs error style). */
    kind?: 'ok' | 'info' | 'warn' | 'error';
    /** Optional follow-up action the surface may offer (unused for now). */
    hint?: string;
}
/** Context a core command may need. All fields optional — commands declare
 *  what they use via their signature, surfaces pass what they have. */
export interface CoreCommandContext {
    /** Raw args after the command name (e.g. ['on'] for `/telemetry on`). */
    args: string[];
}
export declare function ok(message: string): CommandResult;
export declare function info(message: string): CommandResult;
export declare function warn(message: string): CommandResult;
export declare function error(message: string): CommandResult;