LongAttr
Role of a node within a long note's raw tree (begin, step, control, end, ...).
Set on each :class:RawNote in a long structure; typed notes manage it for you. See
:class:JointKind for the authoring-level joint roles.
Attributes
attributeNONE= messages_pb2.LONG_ATTR_NONEattributeBEGIN= messages_pb2.LONG_ATTR_BEGINattributeSTEP= messages_pb2.LONG_ATTR_STEPattributeCONTROL= messages_pb2.LONG_ATTR_CONTROLattributeCURVE_CONTROL= messages_pb2.LONG_ATTR_CURVE_CONTROLattributeEND= messages_pb2.LONG_ATTR_ENDattributeEND_NOACT= messages_pb2.LONG_ATTR_END_NOACT