return supportsConstantsMapping;
    }

    public static CompilerApiData unavailable() {
        return new CompilerApiData(false, false, Collections.emptyMap(), ConstantToDependentsMapping.empty());
    }

    public static CompilerApiData withoutConstantsMapping(Map<String, Set<String>> sourceToClassMapping) {
        return new CompilerApiData(true, false, sourceToClassMapping, ConstantToDependentsMapping.empty());
    }

    private final ClassSetAnalysisData classpathSnapshot;
    private final CompilerApiData compilerApiData;

    public PreviousCompilationData(ClassSetAnalysisData outputSnapshot, AnnotationProcessingData annotationProcessingData, ClassSetAnalysisData classpathSnapshot, CompilerApiData compilerApiData) {
        this.outputSnapshot = outputSnapshot;
        this.annotationProcessingData = annotationProcessingData;