public Builder clearField2() {
                field2_ = getDefaultInstance().getField2();
                bitField0_ = (bitField0_ & ~0x00000002);
                onChanged();
                return this;
            }
<code>string field2 = 2;</code>

@return This builder for chaining.
wx-dump-admin/src/main/java/com/xcs/wx/protobuf/MsgProto.java