Function provideTemporaryConnection

Returns {
    hoveredOver: (ni: undefined | NodeInterface<any>) => void;
    onMouseDown: () => void;
    onMouseMove: (ev: MouseEvent) => void;
    onMouseUp: () => void;
    temporaryConnection: Ref<
        null
        | ITemporaryConnection,
        null | ITemporaryConnection,
    >;
}