import type { IStringifyOptions } from "qs";
import type { FlyyerCommonParams } from "./common";
import type { FlyyerExtension } from "./ext";
import type { FlyyerMetaVariables } from "./meta";
import { FlyyerPath } from "./paths";
import type { FlyyerVariables } from "./variables";
/**
 * This class helps you creating URLs that will render Flyyer images.
 *
 * Required is: `project`.
 *
 * Set default variables by using the `variables` object.
 *
 * Example: https://cdn.flyyer.io/v2/flyyer-com/_/_/marketplace/simple-fade
 * @example
 * const flyyer = new Flyyer({
 *   project: "flyyer-com",
 *   route: "simple-fade",
 *  });
 *  console.log(flyyer.href())
 * // https://cdn.flyyer.io/v2/flyyer-com/_/_/marketplace/templates/simple-fade
 */
export interface FlyyerParams<T extends FlyyerVariables> extends FlyyerCommonParams<T> {
    /**
     * Your project's `slug`. Lowercase and no spaces.
     * Visit https://flyyer.io/dashboard to get this value for your project
     */
    project: string;
    /**
     * Preferred way of declaring the default social image to use along with Flyyer. It will be available as `{{ page.image }}` and `{{ flyyer.default }}`. **Use an absolute URL**, but relative URLs are also supported.
     *
     * Alternatively you can set a custom meta-tag but it was worst performance: `<meta property="flyyer:default" content="" />`.
     *
     * Values defined here takes precedence over `flyyer:default` meta-tag.
     */
    default?: string | undefined | null;
    /**
     * Current page path we will use in conjunction with the base URL defined in the Flyyer's Dashboard of your project.
     * @example
     * const flyyer = new Flyyer({ path: "/" });
     * @example
     * const flyyer = new Flyyer({ path: "/about" });
     * @example
     * const flyyer = new Flyyer({ path: "/products/1" });
     * @example
     * const flyyer = new Flyyer({ path: ["products", "1"] });
     * @example
     * const flyyer = new Flyyer({ path: "/page?id=1" });
     */
    path?: FlyyerPath;
}
export declare class Flyyer<T extends FlyyerVariables = FlyyerVariables> implements FlyyerParams<T> {
    project: string;
    default?: string | undefined | null;
    path?: FlyyerPath;
    extension?: FlyyerExtension | undefined | null;
    variables: T;
    meta: FlyyerMetaVariables;
    secret?: string | undefined | null;
    strategy?: "JWT" | "HMAC" | undefined | null;
    constructor(args: FlyyerParams<T>);
    /**
     * Override this method to implement signatures. Must be synchronous (no `Promise` allowed).
     */
    sign(project: FlyyerParams<T>["project"], path: string, // normalized
    params: string, strategy: FlyyerParams<T>["strategy"], secret: FlyyerParams<T>["secret"]): string | undefined | void;
    params(extra?: any, options?: IStringifyOptions): string;
    /**
     * Generate final URL you can use in your og:images.
     * @example
     * <meta property="og:image" content={flyyer.href()} />
     * @example
     * const flyyer = new Flyyer({ meta: { v: null } });
     * <img src={flyyer.href()} />
     */
    href(): string;
    /**
     * Alias of `.href()`
     */
    toString(): string;
}