public void analyze(TaskMonitor monitor) {
		// Override if needed
	}
Get or create FileBytes within program
@param monitor task monitor
@return file bytes object to be used for block creation or null
@throws IOException if error occurs reading source file or writing to program database
@throws CancelledException if operation cancelled by user
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/dump/DumpFile.java