src/main/java/com/alipay/remoting/InvokeContext.java
@SuppressWarnings("unchecked")
    public <T> T get(String key) {
        return (T) this.context.get(key);
    }
@SuppressWarnings("unchecked")
    public <T> T get(String key) {
        return (T) this.context.get(key);
    }
get

@param key
@return