@CustomType.Setter
        public Builder operator(String operator) {
            if (operator == null) {
              throw new MissingRequiredPropertyException("LabelSelectorRequirement", "operator");
            }
            this.operator = operator;
            return this;
        }
@return values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.
sdk/java/src/main/java/com/pulumi/kubernetes/meta/v1/outputs/LabelSelectorRequirement.java