@Override
	public String getCallingConventionName() {
		if (!validate(manager.lock)) {
			return UNKNOWN_CALLING_CONVENTION_STRING;
		}
		FunctionDB localThunkFunc = thunkedFunction;
		if (localThunkFunc != null) {
			return localThunkFunc.getCallingConventionName();
		}
		byte callingConventionID = rec.getByteValue(FunctionAdapter.CALLING_CONVENTION_ID_COL);
		// NOTE: If ID is invalid unknown calling convention name will be returned
		return program.getDataTypeManager().getCallingConventionName(callingConventionID);
	}
Sets the indicated function flag to true or false.

@param functionFlagIndicator
           the function flag from the FunctionAdapter class (i.e.
           FunctionAdapter.FUNCTION_VARARG_FLAG,
           FunctionAdapter.FUNCTION_INLINE_FLAG,
           FunctionAdapter.FUNCTION_NO_RETURN_FLAG,
           FunctionAdapter.FUNCTION_CUSTOM_PARAM_STORAGE_FLAG)
@param shouldBeSet
           true means the indicated flag should be set.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionDB.java