import type { IDataObject, OauthJweProxyProvider } from 'n8n-workflow';
export interface OAuthJweDecryptHandler {
    decryptOAuth2TokenData(tokenData: IDataObject): Promise<IDataObject>;
}
export declare class OAuthJweServiceProxy implements OauthJweProxyProvider {
    private handler?;
    setHandler(handler: OAuthJweDecryptHandler): void;
    decryptOAuth2TokenData(tokenData: IDataObject): Promise<IDataObject>;
}