return associatedGrammarMetadata;
    }

    private String vocabName(String vocabName) {
        if (vocabName == null) {
            return null;
        }
        vocabName = vocabName.trim();
        if (vocabName.endsWith(";")) {
            vocabName = vocabName.substring(0, vocabName.length() - 1);
        }
        return vocabName;
    }

    private static final Class<?> ANTLR_GRAMMAR_CLASS;

     *
     * @param vocabName The vocabulary name
     * @return The grammar file metadata.  May be null if none found.
     */
    public GrammarFileMetadata getGrammarFileByExportVocab(String vocabName) {
        return filesByExportVocab.get(vocabName);
    }