public final TypeVarTupleContext typeVarTuple() throws RecognitionException {
		TypeVarTupleContext _localctx = new TypeVarTupleContext(_ctx, getState());
		enterRule(_localctx, 38, RULE_typeVarTuple);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(311); match(T__38);
			setState(312); typeVar();
			setState(317);
			_errHandler.sync(this);
			_la = _input.LA(1);
			while (_la==T__45) {
				{
				{
				setState(313); match(T__45);
				setState(314); typeVar();
				}
				}
				setState(319);
				_errHandler.sync(this);
				_la = _input.LA(1);
			}
			setState(320); match(T__7);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}