public Long findFullHashValueAtOrAfter(long value) {
		try {
			Long search = functionsTable.getFullHashValueAtOrAfter(value);
			return search;
		}
		catch (IOException e) {
			Msg.error(this, "Serious problem searching for full hash values", e);
		}
		return null;
	}
Returns the first full hash value in the database that is greater than or
equal to the provided argument.  Useful for iterating over all the function
records in (arbitrarily, but deterministically) sorted full hash order.
@param value the minimum hash value to seek
@return the lowest hash in the database greater than or equal to value, or null if no such hash
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/db/FidDB.java