public final FormalParametersContext formalParameters() throws RecognitionException {
		FormalParametersContext _localctx = new FormalParametersContext(_ctx, getState());
		enterRule(_localctx, 100, RULE_formalParameters);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(666); match(45);
			setState(668);
			_la = _input.LA(1);
			if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << 10) | (1L << 12) | (1L << 14) | (1L << 15) | (1L << 24) | (1L << 35) | (1L << 36) | (1L << 49) | (1L << 62))) != 0) || _la==69 || _la==Identifier) {
				{
				setState(667); formalParameterDeclarations();
				}
			}

			setState(670); match(22);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}