import type { PassportModuleOptions, AuthSecretConfig } from '#auth-types';
export type SecretConfigMap = {
    [key: string]: AuthSecretConfig;
};
export interface AuthConfig {
    baseURL: string;
    config: PassportModuleOptions;
    secret?: SecretConfigMap;
    prefix: string;
    cookieOptions: any;
}
/**
 * Retrieves and validates authentication configuration.
 * @returns Authentication configuration object.
 * @throws An error if the authentication configuration is missing.
 */
export declare function getAuthConfig(): AuthConfig;
/**
 * Validates and retrieves strategy configuration.
 * @param strategyName The name of the strategy to validate.
 * @param config The authentication configuration.
 * @returns The strategy configuration.
 * @throws An error if the strategy is invalid or not configured.
 */
export declare function validateStrategy(strategyName: string, config: PassportModuleOptions): import("#auth-types").PassportStrategiesOptions;