im_gateway_server/vendor/workerman/gateway-worker/composer.json

{
    "name"  : "workerman/gateway-worker",
    "keywords": ["distributed","communication"],
    "homepage": "http://www.workerman.net",
    "license" : "MIT",
    "require": {
        "workerman/workerman" : ">=3.5.0"
    },
    "autoload": {
        "psr-4": {"GatewayWorker\\": "./src"}
    }
}