/**
 * In-memory ring buffer for diagnostic log messages.
 *
 * Captures session management events (compaction, undo, diverged, resume)
 * and surfaces them via the telemetry API and dashboard. Replaces the need
 * for users to dig through stderr to report issues.
 */
import type { DiagnosticLog, IDiagnosticLogStore } from "./types";
export type { DiagnosticLog } from "./types";
export declare class MemoryDiagnosticLogStore implements IDiagnosticLogStore {
    private buffer;
    private head;
    private count;
    private readonly capacity;
    constructor(capacity?: number);
    log(entry: Omit<DiagnosticLog, "timestamp">): void;
    session(message: string, requestId?: string): void;
    lineage(message: string, requestId?: string): void;
    error(message: string, requestId?: string): void;
    getRecent(options?: {
        limit?: number;
        since?: number;
        category?: string;
    }): DiagnosticLog[];
    clear(): void;
}
/** Singleton instance used by the proxy. */
export declare const diagnosticLog: MemoryDiagnosticLogStore;
//# sourceMappingURL=logStore.d.ts.map