@Override
	public int getStackPurgeSize() {
		validate(manager.lock);
		FunctionDB localThunkFunc = thunkedFunction;
		if (localThunkFunc != null) {
			return localThunkFunc.getStackPurgeSize();
		}
		return rec.getIntValue(FunctionAdapter.STACK_PURGE_COL);
	}
@see ghidra.program.model.listing.Function#getStackFrame()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionDB.java