Interface IPair

interface IPair {
    bodyA: MatterJS.Body;
    bodyB: MatterJS.Body;
    contactCount: number;
    contacts: any;
    friction: number;
    frictionStatic: number;
    id: number;
    inverseMass: number;
    isActive: boolean;
    restitution: number;
    separation: number;
    slop: number;
    timeCreated: number;
    timeUpdated: number;
}