code: public void setInstanceTypeConfigs(java.util.Collection<InstanceTypeConfig> instanceTypeConfigs) {
          if (instanceTypeConfigs == null) {
              this.instanceTypeConfigs = null;
              return;
          }
  
          this.instanceTypeConfigs = new com.amazonaws.internal.SdkInternalList<InstanceTypeConfig>(instanceTypeConfigs);
      }
docs: <p>
  The instance type configurations that define the EC2 instances in the instance fleet.
  </p>
  
  @param instanceTypeConfigs
  The instance type configurations that define the EC2 instances in the instance fleet.