docs: public final void variableInitializer() throws RecognitionException {
  		try {
  			// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:671:5: ( arrayInitializer | expression )
  			int alt84=2;
  			int LA84_0 = input.LA(1);
  			if ( (LA84_0==LEFT_CURLY) ) {
  				alt84=1;
  			}
  			else if ( (LA84_0==BOOL||(LA84_0 >= DECIMAL && LA84_0 <= DIV)||LA84_0==DOT||LA84_0==FLOAT||LA84_0==HEX||(LA84_0 >= ID && LA84_0 <= INCR)||(LA84_0 >= LEFT_PAREN && LA84_0 <= LESS)||LA84_0==MINUS||LA84_0==NEGATION||LA84_0==NULL||LA84_0==PLUS||LA84_0==QUESTION_DIV||(LA84_0 >= STAR && LA84_0 <= TIME_INTERVAL)) ) {
  				alt84=2;
  			}
  
  			else {
  				if (state.backtracking>0) {state.failed=true; return;}
  				NoViableAltException nvae =
  					new NoViableAltException("", 84, 0, input);
  				throw nvae;
  			}
  
  			switch (alt84) {
  				case 1 :
  					// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:671:7: arrayInitializer
  					{
  					pushFollow(FOLLOW_arrayInitializer_in_variableInitializer4069);
  					arrayInitializer();
  					state._fsp--;
  					if (state.failed) return;
  					}
  					break;
  				case 2 :
  					// src/main/resources/org/drools/compiler/lang/DRL6Expressions.g:672:13: expression
  					{
  					pushFollow(FOLLOW_expression_in_variableInitializer4083);
  					expression();
  					state._fsp--;
  					if (state.failed) return;
  					}
  					break;
  
  			}
  		}
  
  		catch (RecognitionException re) {
  		    throw re;
  		}
  
  		finally {
  			// do for sure before leaving
  		}
  	}