from dataclasses import dataclass
from typing import Tuple, Union, NewType, Dict, Any
from math import inf

Node = int
Edge = Tuple[Node, Node]


@dataclass
class DummyNode:
    n: Node


NodeData = Dict[str, Any]
EdgeData = Dict[str, Any]

Wh = NewType('Wh', Union[float, int])
SoC = NewType('SoC', Union[-inf, Wh])

ChargingCoefficient = float

Time = Union[float, int]