/**
 * Terminal title manager with animated working indicator.
 *
 * Provides a centralized controller for terminal window/tab titles.
 * - Static title: "Jensen - <workspace>"
 * - Working title: "<spinner> Jensen - <workspace>" with animated braille spinner
 *
 * The spinner is active during agent work cycles and stops when the agent
 * is idle, waiting for user input, cancelled, or errored.
 */
/**
 * Minimal terminal interface for title operations.
 * Accepts any object with a setTitle method.
 */
export interface TitleTerminal {
    setTitle(title: string): void;
}
/**
 * Manages the terminal window/tab title with optional animated spinner.
 *
 * Thread-safe and idempotent:
 * - Multiple setWorking(true) calls create at most one animation interval
 * - setWorking(false) is safe to call repeatedly
 * - dispose() cleans up all timers and prevents further writes
 * - Graceful no-op when stdout is not a TTY
 */
export declare class TerminalTitle {
    private workspaceName;
    private terminal;
    private spinnerIndex;
    private spinnerInterval;
    private isWorking;
    private isDisposed;
    private isTty;
    constructor(terminal: TitleTerminal, workspaceName: string);
    /**
     * Set the initial static title.
     * Safe to call multiple times — overwrites the workspace name and resets to static title.
     * If a spinner is active, it is stopped first.
     */
    initialize(workspaceName: string): void;
    /**
     * Enable or disable the animated spinner.
     * When active, the title cycles through spinner frames.
     * When inactive, reverts to the static title.
     */
    setWorking(active: boolean): void;
    /**
     * Stop the spinner and prevent any further title writes.
     * Safe to call multiple times.
     */
    dispose(): void;
    /**
     * Immediately write the static title to the terminal.
     */
    private writeStatic;
    /**
     * Write the current spinner frame to the terminal title.
     */
    private writeSpinnerFrame;
    /**
     * Write a title to the terminal using OSC sequence.
     */
    private writeTitle;
    private startSpinner;
    private stopSpinner;
}
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