code: public DescribeScheduledInstancesRequest withScheduledInstanceIds(String... scheduledInstanceIds) {
          if (this.scheduledInstanceIds == null) {
              setScheduledInstanceIds(new com.amazonaws.internal.SdkInternalList<String>(scheduledInstanceIds.length));
          }
          for (String ele : scheduledInstanceIds) {
              this.scheduledInstanceIds.add(ele);
          }
          return this;
      }
docs: <p>
  The Scheduled Instance IDs.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setScheduledInstanceIds(java.util.Collection)} or {@link #withScheduledInstanceIds(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param scheduledInstanceIds
  The Scheduled Instance IDs.
  @return Returns a reference to this object so that method calls can be chained together.