/** SDK-owned platform module. This implementation is maintained in goodvibes-sdk. */
/**
 * WatcherEvent, discriminated union covering managed watcher and listener lifecycle events.
 */
export declare const WATCHER_SOURCE_KINDS: readonly ["poll", "webhook", "tail", "file", "api", "stream"];
export type WatcherSourceKind = (typeof WATCHER_SOURCE_KINDS)[number];
export type WatcherEvent = {
    type: 'WATCHER_STARTED';
    watcherId: string;
    sourceKind: WatcherSourceKind;
    name: string;
} | {
    type: 'WATCHER_HEARTBEAT';
    watcherId: string;
    sourceKind: WatcherSourceKind;
    seenAt: number;
    checkpoint: string;
} | {
    type: 'WATCHER_CHECKPOINT_ADVANCED';
    watcherId: string;
    sourceKind: WatcherSourceKind;
    checkpoint: string;
} | {
    type: 'WATCHER_FAILED';
    watcherId: string;
    sourceKind: WatcherSourceKind;
    error: string;
    retryable: boolean;
} | {
    type: 'WATCHER_STOPPED';
    watcherId: string;
    sourceKind: WatcherSourceKind;
    reason: string;
};
export type WatcherEventType = WatcherEvent['type'];
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