public boolean isGapAddress(Address address) {
		if (address == null) {
			return false;
		}
		if (address.equals(originalAddressSet.getMinAddress())) {
			return false;
		}
		AddressRange rangeContaining = originalAddressSet.getRangeContaining(address);
		return rangeContaining.getMinAddress().equals(address);
	}
Returns true if the given address is the first address after gap of missing addresses.

@param address the address to check for being a gap address
@return true if the given address is the first address after gap of missing addresses.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/util/AddressIndexMap.java