public com.google.protobuf.ByteString getIntroBytes() {
            java.lang.Object ref = intro_;
            if (ref instanceof String) {
                com.google.protobuf.ByteString b =
                        com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
                intro_ = b;
                return b;
            } else {
                return (com.google.protobuf.ByteString) ref;
            }
        }
<code>optional string intro = 3;</code>

@return The bytes for intro.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/user/UserInfo.java