interface AtomicWriteHooks {
    /** Internal fault-injection seam; production callers never pass this. */
    beforeCommit?: () => Promise<void>;
}
/**
 * Commit a complete file body without exposing a truncated destination.
 *
 * The temp file lives beside the destination so rename stays on one
 * filesystem. A failed pre-commit write leaves the original untouched.
 */
export declare function atomicWriteFile(requestedPath: string, content: string, hooks?: AtomicWriteHooks): Promise<void>;
export {};
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