export declare function fingerprintPrivateSystemdTree(root: string): string;
/** Delete only an unchanged bounded owned tree, child first. Symlinks are unlinked, never
 *  traversed. A failure after the first unlink is an unknown partial effect for the caller's
 *  retained uninstall intent; there is no automatic recursive retry. */
export declare function removePrivateSystemdTree(root: string, expectedSha256: string): void;
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