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