List all the assets in the current cache whose
GES.Asset.extractable_type are of the given type (including
subclasses).
Note that, since only a GES.Extractable can be extracted from an asset,
using GES_TYPE_EXTRACTABLE as filter will return all the assets in
the current cache.
List all the assets in the current cache whose GES.Asset.extractable_type are of the given type (including subclasses).
Note that, since only a GES.Extractable can be extracted from an asset, using
GES_TYPE_EXTRACTABLEasfilterwill return all the assets in the current cache.