private AddressIterator getEquateAddresses(Address startAddr, Address endAddr) {
		try {
			return new AddressKeyAddressIterator(
				refAdapter.getIteratorForAddresses(startAddr, endAddr), true, addrMap, this);
		}
		catch (IOException e) {
			program.dbError(e);
		}
		return new EmptyAddressIterator();
	}
Constructor
@param handle database handle
@param addrMap map that converts addresses to longs and longs to addresses
@param openMode one of ProgramDB.CREATE, UPDATE, UPGRADE, or READ_ONLY
@param lock the program synchronization lock
@param monitor the progress monitor used when upgrading.
@throws VersionException if the database version doesn't match the current version.
@throws IOException if a database error occurs.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/EquateManager.java