void setLanguage(Language lang) throws IOException {
		contextTable.deleteAll();
		protoAdapter.deleteAll();
		this.language = lang;
		init();
	}
Constructs a new PrototypeManager
@param dbHandle the database handle
@param addrMap the address map.
@param openMode the open mode
@param monitor the task monitor.
@throws VersionException thrown if the database version doesn't match this adapter version
@throws IOException if a database io error occurs.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/PrototypeManager.java