DefinitelyTyped/types/openid/index.d.ts

// Type definitions for openid 2.0
// Project: https://github.com/havard/node-openid
// Definitions by: Jacob Stein <https://github.com/jacobmstein>
//                 Joao Dias <https://github.com/alfaproject>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 3.4

export interface OpenIdError {
  message: string;
}

export class RelyingParty {
           constructor(
               returnUrl: string,
               realm: string | null,
               stateless: boolean,
               strict: boolean,
               extensions: readonly any[]
           );

           authenticate(
               identifier: string,
               immediate: boolean,
               callback: (err: OpenIdError | null, authUrl: string | null) => void
           ): void;

           verifyAssertion(
               requestOrUrl: object | string,
               callback: (
                   err: OpenIdError | null,
                   result?: { authenticated: boolean; claimedIdentifier?: string }
               ) => void
           ): void;
       }