/**
 * Public types for `@lensmcp/memory-tracker`. The tracker emits
 * `BaseEvent`s through a pluggable sink (same shape as
 * `@lensmcp/nest-instrumentation`'s EventSink) so the host process can
 * forward them to the LensMCP bus.
 */
import type { BaseEvent, MemoryContainerKind, MemoryMutationOperation } from '@lensmcp/protocol-types';
export type { MemoryContainerKind, MemoryMutationOperation };
export type MemoryEventSink = (event: BaseEvent) => void;
export interface MemoryContext {
    sessionId: string;
    flowId?: string;
    requestId?: string;
    originNodeId?: string;
}
/** Resolved options after defaults are applied. */
export interface ResolvedMemoryOptions {
    sessionId: string;
    sink: MemoryEventSink;
    /** Owner growth (in items) within a flow that flips a suspected leak. Default 50. */
    leakItemThreshold: number;
    /** Bytes retained by a disposed singleton that flags stale-generation. Default 1MB. */
    staleGenerationBytesThreshold: number;
    /** ms to wait after flow end before checking owner shrinkage. Default 1000. */
    settleMs: number;
}
export interface MemoryOwnerSnapshot {
    ownerId: string;
    ownerInstanceId: string;
    containerKind: MemoryContainerKind;
    fieldName: string;
    itemCount: number;
    estimatedBytes: number;
    growthSinceStart: number;
}