src/main/java/SC2APIProtocol/Data.java
/**
       * <code>optional .SC2APIProtocol.Attribute attribute = 1;</code>
       */
optional .SC2APIProtocol.Attribute attribute = 1.
optional . SC2APIProtocol . Attribute attribute = 1 .
public Builder clearAttribute() {
        bitField0_ = (bitField0_ & ~0x00000001);
        attribute_ = 1;
        onChanged();
        return this;
      }
public Builder clearAttribute ( ) { bitField0_ = ( bitField0_ & ~ 0x00000001 ) ; attribute_ = 1 ; onChanged ( ) ; return this ; }
<code>optional .SC2APIProtocol.Attribute attribute = 1;</code>
<code > optional . SC2APIProtocol . Attribute attribute = 1 ; < / code >