from networkx.classes.graph import Graph, _Node
from networkx.utils.backends import _dispatchable

@_dispatchable
def preflow_push(
    G: Graph[_Node],
    s: _Node,
    t: _Node,
    capacity: str = "capacity",
    residual: Graph[_Node] | None = None,
    global_relabel_freq: float = 1,
    value_only: bool = False,
): ...
