/**
 * Global default options used for the initial setup.
 */
export declare const defaultOptions: CsrfOptions;
/**
 * Configuration options for the CSRF protections.
 */
export interface CsrfOptions {
    /** The name of the cookie to store the token. Defaults to 'csrfToken' */
    cookieName: string;
    /** Security and lifetime options for the cookie */
    cookieOptions: {
        /** Prevent client-side JS from accessing the cookie */
        httpOnly: boolean;
        /** Require HTTPS (usually set to true in production automatically) */
        secure: boolean;
        /** Cookie lifetime in milliseconds. Defaults to 1 hour */
        maxAge: number;
    };
    /** Length of the random bytes generator. Output will be hex (x2 string length). */
    tokenLength: number;
}
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