public void setDimensionKey(String dimensionKey) {
        this.dimensionKey = dimensionKey;
    }
<p>
Unique dimension key defined in the product document. Dimensions represent categories of capacity in a product
and are specified when the product is listed in AWS Marketplace.
</p>

@param dimensionKey
       Unique dimension key defined in the product document. Dimensions represent categories of capacity in a
       product and are specified when the product is listed in AWS Marketplace.
aws-java-sdk-marketplaceagreement/src/main/java/com/amazonaws/services/marketplaceagreement/model/GrantItem.java