src/main/java/com/passkit/grpc/TransactionOuterClass.java
public Builder clearReferenceId() {
        
        referenceId_ = getDefaultInstance().getReferenceId();
        onChanged();
        return this;
      }
/**
       * <pre>
       * Reference ID is the ID used in the system where the transaction is coming from. Needs to be unique within the program.
       * </pre>
       *
       * <code>string referenceId = 1;</code>
       * @return This builder for chaining.
       */

Reference ID is the ID used in the system where the transaction is coming from. Needs to be unique within the program.

string referenceId = 1;
@return This builder for chaining.
Reference ID is the ID used in the system where the transaction is coming from . Needs to be unique within the program . string referenceId = 1 ; @return This builder for chaining .
public Builder clearReferenceId() {
        referenceId_ = getDefaultInstance().getReferenceId();
        onChanged();
        return this;
      }
public Builder clearReferenceId ( ) { referenceId_ = getDefaultInstance ( ) . getReferenceId ( ) ; onChanged ( ) ; return this ; }
<pre>
 Reference ID is the ID used in the system where the transaction is coming from.
<pre > Reference ID is the ID used in the system where the transaction is coming from .