import { type CanonicalLogRecord } from '@origintrail-official/dkg-core';
import type { DaemonLogRotationResult } from './log-rotation.js';
export type DaemonLogWriteClass = 'standard' | 'debug';
export type DebugLogRecord = CanonicalLogRecord & {
    level: 'debug';
};
export declare function isDebugLogRecord(record: CanonicalLogRecord): record is DebugLogRecord;
export interface DaemonLogFileWriter {
    push(data: string): boolean;
    pushDebug(record: DebugLogRecord): boolean;
    flush(): Promise<void>;
    rotate(): Promise<DaemonLogRotationResult>;
    shutdown(): Promise<void>;
    pending(): number;
    dropped(): number;
}
/**
 * Owns every in-process append to daemon.log. Writes are serialized, queued
 * appends are bounded, debug entries are the first overflow candidates, and
 * rotation/flush operations share the same ordered lifecycle.
 */
export declare function startDaemonLogFileWriter(opts: {
    logFile: string;
    maxQueuedEntries?: number;
    maxBatchEntries?: number;
    maxAppendAttempts?: number;
    append?: (data: string) => Promise<void>;
    rotate: () => Promise<DaemonLogRotationResult>;
    waitBeforeRetry?: (failedAttempt: number) => Promise<void>;
    onDiagnostic?: (message: string) => void | Promise<void>;
}): DaemonLogFileWriter;
//# sourceMappingURL=daemon-log-file-writer.d.ts.map