private static boolean languageMatchesExternalProcessor(LanguageDescription description,
			String externalProcessorName, String externalTool) {
		boolean result = false;
		if (externalProcessorName == null) {
			result = true;
		}
		else if (externalTool != null) {
			List<String> extNames = description.getExternalNames(externalTool);
			if (extNames != null) {
				for (String extName : extNames) {
					if (externalProcessorName.equalsIgnoreCase(extName)) {
						result = true;
						break;
					}
				}
			}
		}
		return result;
	}
Returns the single instance of the DefaultLanguageService.
@return the language service
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/DefaultLanguageService.java