1. A system for providing service definition packages for use with a cloud computing environment, comprising: one or more computers including a cloud environment executing thereon; a platform component that is provided as an installable software suite within the cloud environment, and that supports self-service provisioning for enterprise applications; one or more service definition packages, for use with the platform component, wherein each service definition package defines, for a particular enterprise application component, how that particular enterprise application component is deliverable as a service type within the platform component; and wherein the system parses the one or more service definition packages, and provisions corresponding enterprise application components as service types into the platform component, for use within the cloud environment.