public MethodConfig setParameters(Map<String, String> parameters) {
        if (this.parameters == null) {
            this.parameters = new ConcurrentHashMap<String, String>();
            this.parameters.putAll(parameters);
        }
        return this;
    }
Sets parameters.

@param parameters the parameters
core/api/src/main/java/com/alipay/sofa/rpc/config/MethodConfig.java