'use strict'; const BINARY_TYPES = ['nodebuffer', 'arraybuffer', 'fragments']; const hasBlob = typeof Blob !== 'undefined'; if (hasBlob) BINARY_TYPES.push('blob'); module.exports = { BINARY_TYPES, EMPTY_BUFFER: Buffer.alloc(0), GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11', hasBlob, kForOnEventAttribute: Symbol('kIsForOnEventAttribute'), kListener: Symbol('kListener'), kStatusCode: Symbol('status-code'), kWebSocket: Symbol('websocket'), NOOP: () => {} };