import type { Readable } from "svelte/store";
import type { ConfigurableNavigator } from "../_configurable";
declare type DescriptorNamePolyfill = "accelerometer" | "accessibility-events" | "ambient-light-sensor" | "background-sync" | "camera" | "clipboard-read" | "clipboard-write" | "gyroscope" | "magnetometer" | "microphone" | "notifications" | "payment-handler" | "persistent-storage" | "push" | "speaker";
export declare type GeneralPermissionDescriptor = PermissionDescriptor | {
    name: DescriptorNamePolyfill;
};
export interface PermissionOptions<Controls extends boolean> extends ConfigurableNavigator {
    /**
     * Expose more controls
     *
     * @default false
     */
    controls?: Controls;
}
export declare type PermissionReturn = Readable<PermissionState | undefined>;
export interface PermissionReturnWithControls {
    state: PermissionReturn;
    is_supported: Readable<boolean>;
    query: () => Promise<PermissionStatus | undefined>;
}
/**
 * Reactive Permissions API.
 *
 */
export declare function permission(permissionDesc: GeneralPermissionDescriptor | GeneralPermissionDescriptor["name"], options?: PermissionOptions<false>): PermissionReturn;
export declare function permission(permissionDesc: GeneralPermissionDescriptor | GeneralPermissionDescriptor["name"], options: PermissionOptions<true>): PermissionReturnWithControls;
export {};