public Builder setWxIdBytes(
                    com.google.protobuf.ByteString value) {
                if (value == null) {
                    throw new NullPointerException();
                }
                checkByteStringIsUtf8(value);
                wxId_ = value;
                bitField0_ |= 0x00000001;
                onChanged();
                return this;
            }
<code>string wxId = 1;</code>

@param value The bytes for wxId to set.
@return This builder for chaining.
wx-dump-admin/src/main/java/com/xcs/wx/protobuf/ChatRoomProto.java