docs: public final BaseDescr conditionalExpression() throws RecognitionException {
  		BaseDescr result = null;
  
  
  		BaseDescr left =null;
  
  		try {
  			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:169:5: (left= conditionalOrExpression ( ternaryExpression )? )
  			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:169:9: left= conditionalOrExpression ( ternaryExpression )?
  			{
  			pushFollow(FOLLOW_conditionalOrExpression_in_conditionalExpression820);
  			left=conditionalOrExpression();
  			state._fsp--;
  			if (state.failed) return result;
  			if ( state.backtracking==0 ) { if( buildDescr  ) { result = left; } }
  			// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:170:9: ( ternaryExpression )?
  			int alt17=2;
  			int LA17_0 = input.LA(1);
  			if ( (LA17_0==QUESTION) ) {
  				alt17=1;
  			}
  			switch (alt17) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/lang/DRL5Expressions.g:170:9: ternaryExpression
  					{
  					pushFollow(FOLLOW_ternaryExpression_in_conditionalExpression832);
  					ternaryExpression();
  					state._fsp--;
  					if (state.failed) return result;
  					}
  					break;
  
  			}
  
  			}
  
  		}
  
  		catch (RecognitionException re) {
  		    throw re;
  		}
  
  		finally {
  			// do for sure before leaving
  		}
  		return result;
  	}