import { UrlBuilder } from '@poppinss/oauth-client';
import { type LiteralStringUnion } from './types.ts';
/**
 * Redirect request with first-class support for defining OAuth scopes.
 * Extends the UrlBuilder from the OAuth client to provide scope management
 * capabilities specific to social authentication providers.
 */
export declare class RedirectRequest<Scopes extends string> extends UrlBuilder {
    #private;
    /**
     * Create a redirect request builder with scope helpers.
     *
     * @param baseUrl - The authorization URL for the OAuth provider
     * @param scopeParamName - The query parameter name for scopes (e.g., 'scope')
     * @param scopeSeparator - The character used to separate multiple scopes (e.g., ' ' or ',')
     */
    constructor(baseUrl: string, scopeParamName: string, scopeSeparator: string);
    /**
     * Register a custom function to transform scopes before they are
     * added to the authorization URL. This is useful for providers that
     * require scope prefixes or transformations.
     *
     * @param callback - Function that transforms the scopes array
     * @returns The current redirect request instance.
     *
     * @example
     * ```ts
     * request.transformScopes((scopes) => {
     *   return scopes.map(scope => `https://provider.com/auth/${scope}`)
     * })
     * ```
     */
    transformScopes(callback: (scopes: LiteralStringUnion<Scopes>[]) => string[]): this;
    /**
     * Define the scopes to request during authorization. This replaces
     * any previously set scopes.
     *
     * @param scopes - Array of scope strings to request
     * @returns The current redirect request instance.
     *
     * @example
     * ```ts
     * request.scopes(['user:email', 'read:org'])
     * ```
     */
    scopes(scopes: LiteralStringUnion<Scopes>[]): this;
    /**
     * Merge additional scopes with any existing scopes. This is useful
     * for adding scopes without replacing the default ones.
     *
     * @param scopes - Array of scope strings to merge
     * @returns The current redirect request instance.
     *
     * @example
     * ```ts
     * request
     *   .scopes(['user:email'])
     *   .mergeScopes(['read:org'])
     * ```
     */
    mergeScopes(scopes: LiteralStringUnion<Scopes>[]): this;
    /**
     * Clear all existing scopes from the authorization request.
     *
     * @returns The current redirect request instance.
     *
     * @example
     * ```ts
     * request.clearScopes().scopes(['user'])
     * ```
     */
    clearScopes(): this;
}