/** Shared cancellation/deadline budget for one skill file operation. */
export interface SkillOperationBudget {
    readonly abortSignal?: AbortSignal;
    readonly timeoutMs?: number;
    /** One immutable timeout reason shared by every deadline observation. */
    readonly timeoutError?: SkillOperationTimeoutError;
    remainingMs(): number | undefined;
    throwIfTerminated(): void;
    run<T>(operation: (abortSignal: AbortSignal | undefined) => Promise<T>): Promise<T>;
}
export declare class SkillOperationTimeoutError extends Error {
    readonly timeoutMs: number;
    constructor(timeoutMs: number);
}
/** Create one monotonic budget at the outermost skill-tool boundary. */
export declare function createSkillOperationBudget(options?: {
    abortSignal?: AbortSignal;
    timeoutMs?: number;
}): SkillOperationBudget;
//# sourceMappingURL=operation-budget.d.ts.map