/**
 * Bounded in-memory ring buffer for desktop companion log entries.
 *
 * Keeps the most recent `maxEntries` lines and supports filtered queries by
 * level, since-timestamp and limit. Once the buffer is full the oldest entry
 * is dropped on every push (FIFO eviction), so the memory footprint of a
 * long-running session stays bounded.
 */
import type { LogEntry, LogOptions, LogType } from "./types.js";
export declare class LogRing {
    private readonly maxEntries;
    private entries;
    constructor(maxEntries?: number);
    /** Append a new log line. Evicts the oldest entry once the buffer is full. */
    push(type: LogType, message: string): void;
    /** Return a copy of the buffer, optionally filtered by type/since/limit. */
    query(options?: LogOptions): LogEntry[];
    /** Drop every buffered entry. */
    clear(): void;
}
//# sourceMappingURL=log-ring.d.ts.map