casbin/lib/effect/effector.d.ts

An authorization library that supports access control models like ACL, RBAC, ABAC in Node.JS

export declare enum Effect {
    Allow = 1,
    Indeterminate = 2,
    Deny = 3
}
export interface Effector {
    mergeEffects(expr: string, effects: Effect[], results: number[]): boolean;
}