Interface b2ManifoldPoint

interface b2ManifoldPoint {
    anchorA: b2Vec2;
    anchorB: b2Vec2;
    id: number;
    normalImpulse: number;
    normalVelocity: number;
    persisted: boolean;
    point: b2Vec2;
    separation: number;
    tangentImpulse: number;
    totalNormalImpulse: number;
    clone(): this;
    delete(): void;
    deleteLater(): this;
    isAliasOf(other: ClassHandle): boolean;
    isDeleted(): boolean;
    [key: number]: () => void;
}