code: public ExpressionBuilder notEquals(final SubordinateTrigger trigger, final Object compare) {
  		BooleanExpression exp = new CompareExpression(CompareType.NOT_EQUAL, trigger, compare);
  		appendExpression(exp);
  
  		return this;
  	}
docs: Appends a not equals test to the condition.
  
  @param trigger the trigger field.
  @param compare the value to use in the compare.
  @return this ExpressionBuilder.