public ProjectFileValue defineProjectFile(String name) {
		return defineProjectFile(name, null);
	}
Defines a value of type DomainFile (files in a Ghidra project).
@param name the name for this value
@return the new ProjectFileValue that was defined
Ghidra/Features/Base/src/main/java/ghidra/features/base/values/GhidraValuesMap.java