@Override
	public ReferenceIterator getReferenceIterator(Address startAddr) {
		return new FromRefIterator(startAddr);
	}
Get all memory references with the given from address at opIndex.
@param fromAddr the from address
@param opIndex the operand index
@return the references
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/references/ReferenceDBManager.java