declare module "@microsoft/teams.apps" {
  export class App {
    constructor(options: { clientId: string; clientSecret: string; tenantId?: string });

    getBotToken(): Promise<{ toString(): string } | null>;
    getAppGraphToken(): Promise<{ toString(): string } | null>;
  }
}

declare module "@microsoft/teams.api" {
  export class Client {
    constructor(
      serviceUrl: string,
      options?: {
        token?: (() => Promise<string | undefined>) | undefined;
        headers?: Record<string, string> | undefined;
      },
    );

    conversations: {
      activities: (conversationId: string) => {
        create: (activity: Record<string, unknown>) => Promise<unknown>;
      };
    };
  }
}