docs: public void setSuccessfulInstanceCreditSpecifications(java.util.Collection<SuccessfulInstanceCreditSpecificationItem> successfulInstanceCreditSpecifications) {
          if (successfulInstanceCreditSpecifications == null) {
              this.successfulInstanceCreditSpecifications = null;
              return;
          }
  
          this.successfulInstanceCreditSpecifications = new com.amazonaws.internal.SdkInternalList<SuccessfulInstanceCreditSpecificationItem>(
                  successfulInstanceCreditSpecifications);
      }