void clearAll() {
		changedAddrsSinceCheckout.clear();
		changedRegAddrsSinceCheckout.clear();
		changedAddrsSinceSave.clear();
		changedRegAddrsSinceSave.clear();
		changedCategoryIds.clear();
		changedDataTypeIds.clear();
		changedProgramTreeIds.clear();
		changedSymbolIds.clear();
		changedSourceArchiveIds.clear();
		addedCategoryIds.clear();
		addedDataTypeIds.clear();
		addedProgramTreeIds.clear();
		addedSymbolIds.clear();
		addedSourceArchiveIds.clear();
	}
Construct a new ProgramChangeSet.
@param addrMap the address map.
@param numUndos the number of undo change sets to track.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDBChangeSet.java