Specifies access to an action.
Specifies access to an action.
name (key) of the attribute referring to an action
Specifies access to a scalar attribute.
Specifies access to a scalar attribute.
name (key) of the attribute
the required number of channels or -1 if no specific requirement
Specifies access to a random access buffer.
Specifies access to a random access buffer.
name (key) of the attribute referring to an object that can be buffered (e.g. audio grapheme)