public Builder mergeFrom(com.alipay.sofa.rpc.codec.protobuf.EchoStrReq other) {
            if (other == com.alipay.sofa.rpc.codec.protobuf.EchoStrReq.getDefaultInstance())
                return this;
            if (!other.getS().isEmpty()) {
                s_ = other.s_;
                onChanged();
            }
            onChanged();
            return this;
        }
Protobuf type {@code com.alipay.sofa.rpc.codec.protobuf.EchoStrReq}
codec/codec-protobuf/src/test/java/com/alipay/sofa/rpc/codec/protobuf/EchoStrReq.java