def vert_collapse_edge(vert: 'bmesh.types.BMVert', edge: 'bmesh.types.BMEdge'
    ) ->'bmesh.types.BMEdge':
    """Collapse a vertex into an edge. 

    :param vert: The vert that will be collapsed. 
    :type vert: 'bmesh.types.BMVert'
    :param edge: The edge to collapse into. 
    :type edge: 'bmesh.types.BMEdge'
    :return:  The resulting edge from the collapse operation. 
    """
    pass
