code: public ListStepsRequest withStepIds(String... stepIds) {
          if (this.stepIds == null) {
              setStepIds(new com.amazonaws.internal.SdkInternalList<String>(stepIds.length));
          }
          for (String ele : stepIds) {
              this.stepIds.add(ele);
          }
          return this;
      }
docs: <p>
  The filter to limit the step list based on the identifier of the steps.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setStepIds(java.util.Collection)} or {@link #withStepIds(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param stepIds
  The filter to limit the step list based on the identifier of the steps.
  @return Returns a reference to this object so that method calls can be chained together.