/**
 * Update triggers — incremental re-embedding hooks.
 *
 * v1.19b: interface only. Implementation in v1.23.
 */
export type TriggerSource = 'aidex_update' | 'viewer_watcher' | 'session_diff' | 'manual';
export declare function onFileChanged(_projectPath: string, _filePath: string, _source: TriggerSource): Promise<void>;
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