Interface b2ContactBeginTouchEvent

interface b2ContactBeginTouchEvent {
    shapeIdA: b2ShapeId;
    shapeIdB: b2ShapeId;
    clone(): this;
    delete(): void;
    deleteLater(): this;
    isAliasOf(other: ClassHandle): boolean;
    isDeleted(): boolean;
    [key: number]: () => void;
}