import { IExecuteFunctions } from 'n8n-workflow';
export interface IWithingsTokenResponse {
    status: number;
    body?: {
        access_token: string;
        refresh_token: string;
        expires_in: number;
        userid: string;
        scope: string;
    };
    error?: string;
}
export declare function exchangeAuthorizationCode(context: IExecuteFunctions, clientId: string, clientSecret: string, authorizationCode: string, redirectUri: string): Promise<IWithingsTokenResponse>;
export declare function refreshAccessToken(context: IExecuteFunctions, clientId: string, clientSecret: string, refreshToken: string): Promise<IWithingsTokenResponse>;
export declare function isTokenExpired(expiresAt: number, bufferSeconds?: number): boolean;
export declare function updateCredentialTokens(context: IExecuteFunctions, tokenData: {
    accessToken: string;
    refreshToken: string;
    expiresAt: number;
}): Promise<void>;