type EndpointDefinition: BlockEndpointDefinition | LineEndpointDefinition | PositionEndpointDefinition;
The definition of one line endpoint, which may be free-floating at a given location, or attached
to another block or line
type EndpointDefinition: BlockEndpointDefinition | LineEndpointDefinition | PositionEndpointDefinition;
The definition of one line endpoint, which may be free-floating at a given location, or attached
to another block or line