export declare const logger: {
    info: (message: string, ...args: unknown[]) => void;
    success: (message: string, ...args: unknown[]) => void;
    /**
     * Diagnostics go to stderr, not stdout.
     *
     * This is conventional for warnings, and load-bearing for the MCP server:
     * stdout there is the JSON-RPC channel, so a cache-fallback warning printed
     * on it would corrupt the protocol stream mid-session.
     */
    warn: (message: string, ...args: unknown[]) => void;
    error: (message: string, ...args: unknown[]) => void;
    debug: (message: string, ...args: unknown[]) => void;
    /** Unstyled. Used for every indented detail line. */
    plain: (message: string, ...args: unknown[]) => void;
    /**
     * A section title, prefixed with the wordmark chip.
     *
     * The title itself is bold in the terminal's own foreground rather than brand
     * yellow — see the contrast note in `theme.ts`.
     */
    header: (message: string) => void;
    banner: () => void;
    newline: () => void;
};