@Override
    public SyntaxHighlighter getSyntaxHighlighter(Project project, VirtualFile virtualFile) {
        return new SdSyntaxHighlighter();
    }
This class is used for the extension (in plugin.xml) to the class SdSyntaxHighlighter.

@author Shahar Ariel
integration/intellij/src/main/java/ai/vespa/intellij/schema/SdSyntaxHighlighterFactory.java