import type { GDocsDocument } from './google-api-types.js';
export type ConcurrencyState = {
    revisionId: string;
    fetchedAt: Date;
};
/** Check if a cached revision is still fresh enough to use */
export declare function isRevisionFresh(state: ConcurrencyState): boolean;
/** Build writeControl for batchUpdate request */
export declare function buildWriteControl(revisionId: string): {
    requiredRevisionId: string;
};
/** Extract revisionId from a Docs API document response */
export declare function extractRevisionId(doc: GDocsDocument): string;
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