import type { EventBus } from "./event-bus.js";
/**
 * Abstract class for managing fixed console log messages.
 * Subclasses must implement getFixedConsoleMessage() to provide the message content.
 * The class handles periodic updates and cleanup on close.
 *
 * Emits "log:tty" and "log:tty:close" events on the provided EventBus.
 */
export declare abstract class FixedTTYLogger {
    #private;
    private eventBus;
    constructor(eventBus: EventBus, 
    /**
     * Interval in milliseconds to update the fixed console message.
     * Set to -1 to disable automatic updates. You can call update() manually instead.
     */
    ttyUpdateInterval?: number);
    abstract getFixedConsoleMessage(): string;
    update(): void;
    close(): void;
}
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