plugin/src/main/java/io/fabric8/maven/plugin/mojo/build/BuildMojo.java
private ProcessorConfig extractGeneratorConfig() {
        try {
            return ProfileUtil.blendProfileWithConfiguration(ProfileUtil.GENERATOR_CONFIG, profile, ResourceDirCreator.getFinalResourceDir(resourceDir, environment), generator);
        } catch (IOException e) {
            throw new IllegalArgumentException("Cannot extract generator config: " + e,e);
        }
    }
private ProcessorConfig extractGeneratorConfig() {
        try {
            return ProfileUtil.blendProfileWithConfiguration(ProfileUtil.GENERATOR_CONFIG, profile, ResourceDirCreator.getFinalResourceDir(resourceDir, environment), generator);
        } catch (IOException e) {
            throw new IllegalArgumentException("Cannot extract generator config: " + e,e);
        }
    }
Get generator config