import { OneOrMany } from './util/types';
import { ServeStaticOptions } from 'serve-static';
interface CookieOptions {
    maxAge?: number;
    signed?: boolean;
    expires?: Date;
    httpOnly?: boolean;
    path?: string;
    domain?: string;
    secure?: boolean | 'auto';
    encode?: (val: string) => string;
    sameSite?: boolean | 'lax' | 'strict' | 'none';
}
interface ServerOptions {
    csp?: object;
    csrf?: {
        ignorePaths?: OneOrMany<string | RegExp>;
        sameSite?: boolean;
        disabled?: boolean;
    };
    session: {
        secret: string;
        projectId?: string;
        apiEndpoint?: string;
        cookie?: CookieOptions;
    };
    sessionTimeoutInMinutes?: number;
    staticAssets?: {
        options?: ServeStaticOptions;
        prefix?: string;
        root: string;
    };
}
interface Express {
    use(...handlers: Function[]): void;
    use(paths: OneOrMany<string | RegExp>, ...handlers: Function[]): void;
    set(property: string, value: boolean): void;
}
export declare const configureExpress: (expressApp: Express, options: ServerOptions) => Promise<void>;
export {};