export type FsyncHandleKind = "directory" | "read-only-file" | "writable-file";
export interface FsyncCompatibilityOptions {
    site: string;
    handleKind: FsyncHandleKind;
    platform?: NodeJS.Platform;
    fsync?: (fd: number) => void;
    logSkipped?: (message: string) => void;
}
/** Reset process-wide skip-log state between tests. */
export declare function resetFsyncSkipLogStateForTests(): void;
/** Runs fsync, skipping unsupported directory syncs and Windows read-only EPERM. */
export declare function fsyncWithCompatibility(fd: number, options: FsyncCompatibilityOptions): void;
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