export interface TdaCredential {
    access_token: string;
    refresh_token: string;
    scope?: string;
    expires_in: number;
    refresh_token_expires_in: number;
    token_type?: string;
    access_token_modified_date: number;
    refresh_token_modified_date: number;
    client_id: string;
    redirect_uri: string;
}
export interface CredentialProvider {
    getCredential(): Promise<TdaCredential>;
    fetch(): Promise<TdaCredential>;
    updateCredential(tdaCredential: TdaCredential): Promise<void>;
    update(tdaCredential: TdaCredential): Promise<void>;
}