export interface DeferredToolSessionSnapshot {
    loadedTools: Record<string, number>;
    loadedSkills: string[];
}
export declare const EMPTY_DEFERRED_TOOL_SNAPSHOT: DeferredToolSessionSnapshot;
export declare function getLoadedToolNamesFromSnapshot(snapshot: DeferredToolSessionSnapshot): string[];
export declare function touchToolInSnapshot(snapshot: DeferredToolSessionSnapshot, name: string, maxLoaded: number): DeferredToolSessionSnapshot;
export declare function touchToolsInSnapshot(snapshot: DeferredToolSessionSnapshot, names: Iterable<string>, maxLoaded: number): DeferredToolSessionSnapshot;
export declare function addSkillToSnapshot(snapshot: DeferredToolSessionSnapshot, name: string): DeferredToolSessionSnapshot;
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