code: public DescribeInstancePatchStatesForPatchGroupResult withInstancePatchStates(InstancePatchState... instancePatchStates) {
          if (this.instancePatchStates == null) {
              setInstancePatchStates(new com.amazonaws.internal.SdkInternalList<InstancePatchState>(instancePatchStates.length));
          }
          for (InstancePatchState ele : instancePatchStates) {
              this.instancePatchStates.add(ele);
          }
          return this;
      }
docs: <p>
  The high-level patch state for the requested instances.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setInstancePatchStates(java.util.Collection)} or {@link #withInstancePatchStates(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param instancePatchStates
  The high-level patch state for the requested instances.
  @return Returns a reference to this object so that method calls can be chained together.