@Override
	public void setProgram(ProgramDB program) {
		this.program = program;
		symbolMgr = program.getSymbolTable();
	}
Construct a new reference manager.
@param dbHandle handle to the database
@param addrMap map to convert addresses to longs and longs to addresses
@param openMode one of ProgramDB.CREATE, UPDATE, UPGRADE, or READ_ONLY
@param lock the program synchronization lock
@param monitor Task monitor for upgrading
@throws CancelledException if the user cancels the loading of this db
@throws IOException if a database io error occurs.
@throws VersionException if the database version is different from the expected version
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/references/ReferenceDBManager.java