private long getStoredBaseImageOffset() throws IOException {
		String imageBaseStr = dataMap.get(IMAGE_OFFSET);
		if (imageBaseStr != null) {
			return (new BigInteger(imageBaseStr, 16)).longValue();
		}
		return 0;
	}
Notification that a symbol was added.
@param symbol the symbol that was added.
@param eventType the type of change
@param addr the address of the symbol that added
@param oldValue old value depends on the type of the change
@param newValue old value depends on the type of the change
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDB.java