export interface PiBridgeEvent {
    uuid: string;
    timestampMs: number;
    kind: 'user' | 'assistant_final';
    text: string;
    /** Best-effort terminal outcome carried by an `assistant_final` (attribution
     *  metadata, NOT a durable receipt — Pi has no reliableTurnTerminal). Undefined
     *  on a `stop`/`length` completion (keeps the historical completed default and
     *  lets the empty-final fallback fire); `failed` for `error`, `ambiguous` for
     *  `aborted`. */
    terminalStatus?: 'completed' | 'failed' | 'ambiguous';
    terminalErrorCode?: string;
    sourceSessionId?: string;
}
export interface PiDrainResult {
    events: PiBridgeEvent[];
    newOffset: number;
    pendingTail: string;
}
export declare function findPiTranscriptBySessionId(cliSessionId: string, cwd?: string): string | undefined;
export declare function findPiTranscriptByPid(pid: number): {
    path: string;
    cliSessionId: string;
} | undefined;
export declare function drainPiTranscript(path: string, fromOffset: number): PiDrainResult;
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