code: public DescribeProvisionedProductPlanResult withResourceChanges(ResourceChange... resourceChanges) {
          if (this.resourceChanges == null) {
              setResourceChanges(new java.util.ArrayList<ResourceChange>(resourceChanges.length));
          }
          for (ResourceChange ele : resourceChanges) {
              this.resourceChanges.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the resource changes that will occur when the plan is executed.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setResourceChanges(java.util.Collection)} or {@link #withResourceChanges(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param resourceChanges
  Information about the resource changes that will occur when the plan is executed.
  @return Returns a reference to this object so that method calls can be chained together.