IEntityThrowable

Link to ientitythrowable

Importing the package

Link to importing-the-package

It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import.
import crafttweaker.entity.IEntityThrowable;

IEntityThrowable implement the following interfaces and are able to call all of their methods/getters/setters as well:

ZenGetterZenSetterType
ZenGetter
thrower
ZenSetter
Type
IEntityLivingBase
ZenGetter
shake
ZenSetter
Type
int