public DBTraceBookmarkType getOrAddBookmarkType(String name) {
		DBTraceBookmarkManager manager = trace.getBookmarkManager();
		return manager.defineBookmarkType(name, null, Messages.ERROR, 1);
	}
Ensure the given bookmark type exists and retrieve it

@param name the name of the type
@return the type
Ghidra/Debug/Framework-TraceModeling/src/test/java/ghidra/trace/database/ToyDBTraceBuilder.java