export type BundledMarkItDownMetadata = {
    source?: 'release' | 'build';
    cliVersion?: string;
    buildFingerprint?: string;
};
export declare function sha256Hex(bytes: string | Buffer): string;
export declare function readCliPackageVersion(cliDir: string): string | null;
export declare function bundledMarkItDownBuildFingerprint(cliDir: string): string | null;
export declare function expectedBundledMarkItDownBuildMetadata(cliDir: string): BundledMarkItDownMetadata | null;
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