import { open } from "node:fs/promises";
type FileHandle = Awaited<ReturnType<typeof open>>;
export interface SafeBodyFileReaderDependencies {
    platform: NodeJS.Platform;
    noFollow: number | undefined;
    nonBlock: number | undefined;
    open: (filePath: string, flags: number) => Promise<FileHandle>;
}
/**
 * Reads a regular file after rejecting unsafe final path entries without exposing its contents.
 * Callers must trust parent directories: O_NOFOLLOW only protects the final path entry.
 */
export declare function readSafeBodyFile(filePath: string, dependencies?: SafeBodyFileReaderDependencies): Promise<string>;
export {};