/**
     * Invoked when the code opens a file.
     *
     * @param file the absolute file that was open
     * @param consumer the name of the class that is opening the file
     */
    void fileOpened(File file, String consumer);

    void fileObserved(File file, String consumer);

    void fileSystemEntryObserved(File file, String consumer);

    void directoryContentObserved(File file, String consumer);

    fun addEnvVariableToFingerprint(key: String, value: String?, consumer: String? = null) {
        sink().envVariableRead(key, value)
        reportUniqueEnvironmentVariableInput(key, consumer)
    }

    override fun fileOpened(file: File, consumer: String?) {
        if (isInputTrackingDisabled() || isExecutingWork()) {
            // Ignore files that are read as part of the task actions. These should really be task

                    .solution("Make sure that the catalog file '" + modelFile.getName() + "' exists before importing it")));
        }

        Instrumented.fileOpened(modelFile, getClass().getName());
        try {
            TomlCatalogFileParser.parse(modelFile.toPath(), this, this::getProblemsService);
        } catch (IOException e) {
            throw new UncheckedIOException(e);