public FieldMatcher getFieldMatcher() {
		return fieldMatcher;
	}
A class to signal that the ProgramLocation is used for data types and is not really
connected to the listing.  This is a subclass is designed for data types that have fields, such
as {@link Composite} types and {@link Enum} types.

@see GenericCompositeDataTypeLocationDescriptor
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/locationreferences/GenericCompositeDataTypeProgramLocation.java