code: public DescribeProvisioningParametersResult withUsageInstructions(UsageInstruction... usageInstructions) {
          if (this.usageInstructions == null) {
              setUsageInstructions(new java.util.ArrayList<UsageInstruction>(usageInstructions.length));
          }
          for (UsageInstruction ele : usageInstructions) {
              this.usageInstructions.add(ele);
          }
          return this;
      }
docs: <p>
  Any additional metadata specifically related to the provisioning of the product. For example, see the
  <code>Version</code> field of the CloudFormation template.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setUsageInstructions(java.util.Collection)} or {@link #withUsageInstructions(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param usageInstructions
  Any additional metadata specifically related to the provisioning of the product. For example, see the
  <code>Version</code> field of the CloudFormation template.
  @return Returns a reference to this object so that method calls can be chained together.