src/main/java/com/passkit/grpc/Flights/BoardingPass.java
public Builder clearOsi() {
        
        osi_ = getDefaultInstance().getOsi();
        onChanged();
        return this;
      }
/**
       * <pre>
       * Other service information that may be relevant to the booking.
       * </pre>
       *
       * <code>string osi = 22;</code>
       * @return This builder for chaining.
       */

Other service information that may be relevant to the booking.

string osi = 22;
@return This builder for chaining.
Other service information that may be relevant to the booking . string osi = 22 ; @return This builder for chaining .
public Builder clearOsi() {
        osi_ = getDefaultInstance().getOsi();
        onChanged();
        return this;
      }
public Builder clearOsi ( ) { osi_ = getDefaultInstance ( ) . getOsi ( ) ; onChanged ( ) ; return this ; }
<pre>
 Other service information that may be relevant to the booking.
<pre > Other service information that may be relevant to the booking .