import type { SubagentHandle } from './handle.js';
import type { SubagentResult, SubagentStatus, SubagentTrace } from './result.js';
export interface CompletedEntry<T = unknown> {
    readonly handle: SubagentHandle<T>;
    readonly result: SubagentResult<T>;
    readonly completedAt: number;
}
export declare class CompletedCache {
    private readonly entries;
    private readonly capacity;
    constructor(capacity?: number);
    add(id: string, handle: SubagentHandle, result: SubagentResult): void;
    recordHandle(id: string, handle: SubagentHandle, status: SubagentStatus, trace: SubagentTrace, stopReason: string | undefined): void;
    get(id: string): CompletedEntry | undefined;
    list(): readonly CompletedEntry[];
    get size(): number;
    delete(id: string): boolean;
    clear(): void;
    private evictIfNeeded;
}