CompilerApiData compilerApiData = getCompilerApiData(spec, result);
        ClassSetAnalysisData minimizedClasspathSnapshot = classpathSnapshot.reduceToTypesAffecting(outputSnapshot, compilerApiData);
        PreviousCompilationData data = new PreviousCompilationData(outputSnapshot, annotationProcessingData, minimizedClasspathSnapshot, compilerApiData);

     * of classes, like package-info, module-info and inlineable constants.
     */
    public ClassSetAnalysisData reduceToTypesAffecting(ClassSetAnalysisData other, CompilerApiData compilerApiData) {
        if (fullRebuildCause != null) {
            return this;
        }
        Set<String> usedClasses = new HashSet<>(classHashes.size());