src/main/java/com/passkit/grpc/Flights/PassengerOuterClass.java
public Builder clearNationality() {
        
        nationality_ = getDefaultInstance().getNationality();
        onChanged();
        return this;
      }
/**
       * <pre>
       * The two digit ISO 3166 country code of the traveler's nationality.
       * </pre>
       *
       * <code>string nationality = 3;</code>
       * @return This builder for chaining.
       */

The two digit ISO 3166 country code of the traveler's nationality.

string nationality = 3;
@return This builder for chaining.
The two digit ISO 3166 country code of the traveler ' s nationality . string nationality = 3 ; @return This builder for chaining .
public Builder clearNationality() {
        nationality_ = getDefaultInstance().getNationality();
        onChanged();
        return this;
      }
public Builder clearNationality ( ) { nationality_ = getDefaultInstance ( ) . getNationality ( ) ; onChanged ( ) ; return this ; }
<pre>
 The two digit ISO 3166 country code of the traveler's nationality.
<pre > The two digit ISO 3166 country code of the traveler ' s nationality .