import type { BuiltinDriverOptions } from 'unstorage';
import type { AstroCookieSetOptions } from '../cookies/cookies.js';
export interface SessionDriver {
    removeItem: (key: string) => Promise<void>;
    getItem: (key: string) => Promise<any>;
    setItem: (key: string, value: any) => Promise<void>;
}
export type SessionDriverFactory = (config: Record<string, any> | undefined) => SessionDriver;
export interface SessionDriverConfig {
    /** Serializable options used by the driver implementation */
    config?: Record<string, any> | undefined;
    /** URL or package import */
    entrypoint: string | URL;
}
export interface NormalizedSessionDriverConfig {
    config: Record<string, any> | undefined;
    entrypoint: string;
}
/** @deprecated */
export type SessionDriverName = keyof BuiltinDriverOptions | (string & {});
export interface BaseSessionConfig {
    /**
     * Configures the session cookie. If set to a string, it will be used as the cookie name.
     * Alternatively, you can pass an object with additional options.
     */
    cookie?: string | (Omit<AstroCookieSetOptions, 'httpOnly' | 'expires' | 'encode'> & {
        name?: string;
    });
    /**
     * Default session duration in seconds. If not set, the session will be stored until deleted, or until the cookie expires.
     */
    ttl?: number;
}
interface DriverConfig<TDriver extends SessionDriverConfig> extends BaseSessionConfig {
    /** Config object for a session driver */
    driver: TDriver;
    /** @deprecated Pass options to the driver function directly. This will be removed in Astro 7 */
    options?: never;
}
interface UnstorageConfig<TDriver extends keyof BuiltinDriverOptions | undefined, TOptions = TDriver extends keyof BuiltinDriverOptions ? NoInfer<BuiltinDriverOptions[TDriver]> : undefined> extends BaseSessionConfig {
    /**
     * Entrypoint for an unstorage session driver
     * @deprecated Use `import { sessionDrivers } from 'astro/config'` instead. This will be removed in Astro 7
     */
    driver?: TDriver;
    /**
     * Options for the unstorage driver
     * @deprecated Use `import { sessionDrivers } from 'astro/config'` instead. This will be removed in Astro 7
     */
    options?: TOptions;
}
interface CustomConfig extends BaseSessionConfig {
    /**
     * Entrypoint for a custom session driver
     * @deprecated Use the object shape (type `SessionDriverConfig`). This will be removed in Astro 7
     */
    driver?: string;
    /**
     * Options for the custom session driver
     * @deprecated Use the object shape (type `SessionDriverConfig`). This will be removed in Astro 7
     */
    options?: Record<string, unknown>;
}
export type SessionConfig<TDriver extends SessionDriverName | SessionDriverConfig | undefined> = [
    TDriver
] extends [never] ? UnstorageConfig<TDriver> : TDriver extends SessionDriverConfig ? DriverConfig<TDriver> : TDriver extends keyof BuiltinDriverOptions ? UnstorageConfig<TDriver> : CustomConfig;
export {};