public ImmutableSet<String> getAllTargetImageTags() {
    ImmutableSet.Builder<String> allTargetImageTags =
        ImmutableSet.builderWithExpectedSize(1 + additionalTargetImageTags.size());
    allTargetImageTags.add(targetImageConfiguration.getImageQualifier());
    allTargetImageTags.addAll(additionalTargetImageTags);
    return allTargetImageTags.build();
  }
Returns all image tags configured for this build.

@return the set of image tags configured for this build
jib-core/src/main/java/com/google/cloud/tools/jib/configuration/BuildContext.java