export declare class FilesUtils {
    static resolveOriginalFullFileName(fullPath: string, originalFilename: string): string;
    fixPathAndSpecialChar(path: string): string;
    static adjustPathSlashes(filePath: string): string;
    static findFileUp(file: any, folder: any): any;
    static determineSeparator: (paths: string[]) => string;
    static commonPathPrefix: (paths: string[], sep?: string) => string;
    static ensureTrailingSlash(url: any): any;
}