The Metamodel to define SWT Views with redView is a bunch of ecore files, where these ecore reference each other.
You’ll find the Metamodel in the Bundle
This bundle is part of redView Core Feature.
As of today there are following Metamodels:
You can write your own Extensions of redView’s Metamodel. As an example there are Extensions of validation and converter in bundle
which is also part of redView Core Feature.