src/main/java/SC2APIProtocol/Data.java
/**
       * <pre>
       * Number of cargo slots it occupies in transports.
       * </pre>
       *
       * <code>optional uint32 cargo_size = 4;</code>
       */

Number of cargo slots it occupies in transports.

optional uint32 cargo_size = 4.
Number of cargo slots it occupies in transports . optional uint32 cargo_size = 4 .
public Builder clearCargoSize() {
        bitField0_ = (bitField0_ & ~0x00000008);
        cargoSize_ = 0;
        onChanged();
        return this;
      }
public Builder clearCargoSize ( ) { bitField0_ = ( bitField0_ & ~ 0x00000008 ) ; cargoSize_ = 0 ; onChanged ( ) ; return this ; }
<pre>
 Number of cargo slots it occupies in transports.
<pre > Number of cargo slots it occupies in transports .