public static DefinedStringIterator forDataInstance(Data singleDataInstance) {
		return new DefinedStringIterator(singleDataInstance);
	}
Creates a new iterator that traverses the address space of a single data item (ie. a
composite or array data instance that needs to be recursed into).

@param singleDataInstance Data instance
@return new iterator
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/DefinedStringIterator.java