code: public ScalingPlan withScalingInstructions(ScalingInstruction... scalingInstructions) {
          if (this.scalingInstructions == null) {
              setScalingInstructions(new java.util.ArrayList<ScalingInstruction>(scalingInstructions.length));
          }
          for (ScalingInstruction ele : scalingInstructions) {
              this.scalingInstructions.add(ele);
          }
          return this;
      }
docs: <p>
  The scaling instructions.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setScalingInstructions(java.util.Collection)} or {@link #withScalingInstructions(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param scalingInstructions
  The scaling instructions.
  @return Returns a reference to this object so that method calls can be chained together.