async _sendDirectoryListing(stream, files, path) {
		logT('p2p', 'Sending directory listing', files.length, 'files');
		await stream.sink([Buffer.from(JSON.stringify({
			type: 'directory',
			files,
			path
		}))]);
	}
Send a directory listing through a stream
@param {Object} stream - Stream to send through
@param {string[]} files - List of files in directory
@param {string} path - Directory path
@returns {Promise<void>}
@private