/**
 * Purpose: Owns the recording badge timer lifecycle for the extension action icon.
 * Why: Keep badge behavior consistent across popup, keyboard, context menu, and MCP recording entry points.
 * Docs: docs/features/feature/tab-recording/index.md
 */
export declare function startRecordingBadgeTimer(startTime: number): void;
export declare function stopRecordingBadgeTimer(): void;
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