/** Current in-process invalidation generation for one manifest namespace. */
export declare function getCycleManifestGeneration(manifestDir: string): number;
/** Adopt persisted state once, then reject artifacts invalidated in this process. */
export declare function isCurrentCycleManifestGeneration(manifestDir: string, artifactGeneration: number): boolean;
/** Advance synchronously so transforms started after invalidation get a new generation. */
export declare function advanceCycleManifestGeneration(manifestDir: string): number;
/** Invalidate every manifest transaction created before a full cache clear. */
export declare function advanceAllCycleManifestGenerations(): number;
/** Extract the generation prefix from a graph directory name. */
export declare function parseCycleManifestGeneration(name: string): number | undefined;
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