export declare const DEFAULT_DAEMON_LOG_MAX_BYTES: number;
export declare const DEFAULT_DAEMON_LOG_KEEP_BYTES: number;
export interface DaemonLogRotationResult {
    rotated: boolean;
    previousBytes: number;
    keptBytes: number;
}
/**
 * Trim an oversized daemon log from a bounded tail read.
 *
 * The previous implementation used readFile(), so a multi-gigabyte log was
 * copied wholesale into the daemon heap precisely when rotation was supposed
 * to protect the node. This reads at most keepBytes and drops the first
 * partial line before replacing the file.
 */
export declare function rotateDaemonLogIfNeeded(logFile: string, options?: {
    maxBytes?: number;
    keepBytes?: number;
}): Promise<DaemonLogRotationResult>;
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