public CheckoutBorrowLicenseResult withCheckoutMetadata(Metadata... checkoutMetadata) {
        if (this.checkoutMetadata == null) {
            setCheckoutMetadata(new java.util.ArrayList<Metadata>(checkoutMetadata.length));
        }
        for (Metadata ele : checkoutMetadata) {
            this.checkoutMetadata.add(ele);
        }
        return this;
    }
<p>
Information about constraints.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setCheckoutMetadata(java.util.Collection)} or {@link #withCheckoutMetadata(java.util.Collection)} if you
want to override the existing values.
</p>

@param checkoutMetadata
       Information about constraints.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-licensemanager/src/main/java/com/amazonaws/services/licensemanager/model/CheckoutBorrowLicenseResult.java