import type { AstroConfig } from '../@types/astro.js';
import { type Preferences } from './defaults.js';
type DotKeys<T> = T extends object ? {
    [K in keyof T]: `${Exclude<K, symbol>}${DotKeys<T[K]> extends never ? '' : `.${DotKeys<T[K]>}`}`;
}[keyof T] : never;
export type GetDotKey<T extends Record<string | number, any>, K extends string> = K extends `${infer U}.${infer Rest}` ? GetDotKey<T[U], Rest> : T[K];
export type PreferenceLocation = 'global' | 'project';
export interface PreferenceOptions {
    location?: PreferenceLocation;
}
type DeepPartial<T> = T extends object ? {
    [P in keyof T]?: DeepPartial<T[P]>;
} : T;
export type PreferenceKey = DotKeys<Preferences>;
export interface PreferenceList extends Record<PreferenceLocation, DeepPartial<Preferences>> {
    defaults: Preferences;
}
export interface AstroPreferences {
    get<Key extends PreferenceKey>(key: Key, opts?: PreferenceOptions): Promise<GetDotKey<Preferences, Key>>;
    set<Key extends PreferenceKey>(key: Key, value: GetDotKey<Preferences, Key>, opts?: PreferenceOptions): Promise<void>;
    getAll(): Promise<Preferences>;
    list(opts?: PreferenceOptions): Promise<PreferenceList>;
}
export declare function isValidKey(key: string): key is PreferenceKey;
export declare function coerce(key: string, value: unknown): any;
export default function createPreferences(config: AstroConfig): AstroPreferences;
export declare function getGlobalPreferenceDir(): string;
export {};