code: public void setLastSuccessfullyAppliedConfigurations(java.util.Collection<Configuration> lastSuccessfullyAppliedConfigurations) {
          if (lastSuccessfullyAppliedConfigurations == null) {
              this.lastSuccessfullyAppliedConfigurations = null;
              return;
          }
  
          this.lastSuccessfullyAppliedConfigurations = new com.amazonaws.internal.SdkInternalList<Configuration>(lastSuccessfullyAppliedConfigurations);
      }
docs: <p>
  A list of configurations that were successfully applied for an instance group last time.
  </p>
  
  @param lastSuccessfullyAppliedConfigurations
  A list of configurations that were successfully applied for an instance group last time.