export interface ActiveSubagentHandle {
    readonly id: string;
    readonly cancel: () => Promise<void>;
}
export interface SubagentExecutionContext {
    readonly deadlineAt: number;
    readonly startedAt: number;
    readonly timeoutMs: number;
    readonly reserveTimeoutMs: number;
    readonly registerActiveSubagent: (handle: ActiveSubagentHandle) => () => void;
    readonly cancelActiveSubagents: () => Promise<void>;
    readonly getRemainingTimeMs: (now?: number) => number;
}
export declare function createSubagentExecutionContext(options: {
    readonly timeoutMs: number;
    readonly reserveTimeoutMs: number;
}): SubagentExecutionContext;
export declare function withSubagentExecutionContext<A>(context: SubagentExecutionContext, fn: () => Promise<A>): Promise<A>;
export declare function getCurrentSubagentExecutionContext(): SubagentExecutionContext | undefined;
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