src/main/java/com/passkit/grpc/Flights/BoardingPass.java
public Builder clearTicketNumber() {
        
        ticketNumber_ = getDefaultInstance().getTicketNumber();
        onChanged();
        return this;
      }
/**
       * <pre>
       * Ticket number can optionally be prefixed by the 3 digit airline code, followed by a 10 digit ticket number.  For ticket numbers less than 10 digits, pad with zeros.
       * </pre>
       *
       * <code>string ticketNumber = 4 [(.grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = { ... }</code>
       * @return This builder for chaining.
       */

Ticket number can optionally be prefixed by the 3 digit airline code, followed by a 10 digit ticket number.  For ticket numbers less than 10 digits, pad with zeros.


Ticket number can optionally be prefixed by the 3 digit airline code followed by a 10 digit ticket number . For ticket numbers less than 10 digits pad with zeros .
public Builder clearTicketNumber() {
        ticketNumber_ = getDefaultInstance().getTicketNumber();
        onChanged();
        return this;
      }
public Builder clearTicketNumber ( ) { ticketNumber_ = getDefaultInstance ( ) . getTicketNumber ( ) ; onChanged ( ) ; return this ; }
<pre>
 Ticket number can optionally be prefixed by the 3 digit airline code, followed by a 10 digit ticket number.
<pre > Ticket number can optionally be prefixed by the 3 digit airline code followed by a 10 digit ticket number .