@Override
	public PrototypeModel getCallingConvention() {
		String name = getCallingConventionName();
		if (name == null || name.equals(Function.UNKNOWN_CALLING_CONVENTION_STRING)) {
			return null;
		}
		FunctionManager functionMgr = getFunctionManager();
		if (name.equals(Function.DEFAULT_CALLING_CONVENTION_STRING)) {
			return functionMgr.getDefaultCallingConvention();
		}
		return functionMgr.getCallingConvention(name);
	}
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