/**
 * Infrastructure: Memory Buffer Implementation
 * Enhanced with efficient memory tracking and bounded memory policy
 */
import { LogEntry } from '../../domain/entities/LogEntry';
import { BufferMetrics, ILogBuffer } from '../../domain/interfaces/ILogBuffer';
export interface MemoryBufferConfig {
    readonly maxSize: number;
    readonly flushInterval: number;
    readonly maxAge: number;
    readonly autoFlush: boolean;
    readonly maxMemoryMB: number;
    readonly onFlushRequested?: () => void;
}
export declare class MemoryBuffer implements ILogBuffer {
    private readonly config;
    private entries;
    private lastFlushTime;
    private flushTimer;
    private immediateFlush;
    private memoryTracker;
    private flushCallback?;
    private droppedEntries;
    private destroyed;
    constructor(config: MemoryBufferConfig);
    /**
     * Set callback to be called when flush is requested by timer
     */
    setFlushCallback(callback: () => void): void;
    add(entry: LogEntry): void;
    private enforceMaxSize;
    private dropOldest;
    private triggerImmediateFlush;
    flush(): LogEntry[];
    peek(): readonly LogEntry[];
    size(): number;
    isFull(): boolean;
    shouldFlush(): boolean;
    clear(): void;
    destroy(): void;
    getMetrics(): BufferMetrics;
    private removeOldEntries;
    private scheduleFlush;
}
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