code: public com.google.api.ads.adwords.axis.v201809.cm.AppConversionAppConversionType getAppConversionType() {
          return appConversionType;
      }
docs: Gets the appConversionType value for this AppConversion.
  
  @return appConversionType   * The type of AppConversion, which identifies a conversion as
  being either download or
  in-app purchase. This field can only be set once
  and future reads will populate the type
  appropriately. It is an error to change the value
  once it is set. This field must be set
  at the same time as AppPlatform.