import type { MemoryContext, MemoryMutationOperation, ResolvedMemoryOptions } from './types.js';
export declare function emitMutation(args: {
    options: ResolvedMemoryOptions;
    ownerId: string;
    operation: MemoryMutationOperation;
    beforeCount: number;
    afterCount: number;
    estimatedDeltaBytes: number;
    keyPreview?: string;
    context?: MemoryContext;
    timestamp?: number;
}): void;
export declare function emitRetention(args: {
    options: ResolvedMemoryOptions;
    ownerId: string;
    flowId: string;
    startCount: number;
    endCount: number;
    growth: number;
    context?: MemoryContext;
    timestamp?: number;
}): void;
export declare function emitStaleGeneration(args: {
    options: ResolvedMemoryOptions;
    logicalId: string;
    instanceId: string;
    generation: number;
    retainedBytes: number;
    timestamp?: number;
}): void;