verify(src, dest) {
		return new Promise((resolve, reject) => {
			reject = setMessage(reject);
			window.resolveLocalFileSystemURL(
				src,
				(srcEntry) => {
					window.resolveLocalFileSystemURL(
						dest,
						(destEntry) => {
							window.resolveLocalFileSystemURL(
								Url.join(destEntry.nativeURL, srcEntry.name),
								(res) => {
									reject({
										code: 12,
									});
								},
								(err) => {
									if (err.code === 1) {
										resolve({
											src: srcEntry,
											dest: destEntry,
										});
									} else {
										reject(err);
									}
								},
							);
						},
						reject,
					);
				},
				reject,
			);
		});
	}
Verify if a file or directory exists
@param {string} src
@param {string} dest
@returns {Promise<{src:Entry, dest:Entry}>}