public LanguageValue defineLanguage(String name, LanguageCompilerSpecPair defaultValue) {
		checkDup(name);
		LanguageValue value = new LanguageValue(name, defaultValue);
		valuesMap.put(name, value);
		return value;
	}
Defines a value of type LanguageCompilerSpecPair (folders in a Ghidra project).
@param name the name for this value
@param defaultValue the initial value (can be null)
@return the new ProjectFolderValue that was defined
Ghidra/Features/Base/src/main/java/ghidra/features/base/values/GhidraValuesMap.java