type OriginMatcher = string | RegExp | ((origin: string) => boolean);
export interface RuntimeStorageAccessTypes {
    localStorage?: boolean;
    sessionStorage?: boolean;
    indexedDB?: boolean;
    caches?: boolean;
}
export interface RuntimeStorageAccessStatus {
    supported: boolean;
    hasAccess: boolean;
    permissionState: PermissionState | "unsupported" | "unavailable";
    requestedTypes: RuntimeStorageAccessTypes | null;
}
export interface InstallRuntimeStorageAccessPromptOptions {
    trustedParentOrigin: OriginMatcher;
    requestedTypes?: RuntimeStorageAccessTypes;
    container?: HTMLElement;
    title?: string;
    description?: string;
    buttonLabel?: string;
}
export interface MountRuntimeStorageAccessPromptOptions {
    promptUrl: string;
    promptOrigin: string;
    parent?: HTMLElement;
    iframeAttributes?: Record<string, string>;
    timeoutMs?: number;
}
export interface RuntimeStorageAccessPromptHandle {
    readonly iframe: HTMLIFrameElement;
    readonly initialStatus: RuntimeStorageAccessStatus;
    waitForResult(): Promise<RuntimeStorageAccessStatus>;
    destroy(): void;
}
export declare function getRuntimeStorageAccessStatus(requestedTypes?: RuntimeStorageAccessTypes | null): Promise<RuntimeStorageAccessStatus>;
export declare function installRuntimeStorageAccessPrompt(options: InstallRuntimeStorageAccessPromptOptions): Promise<() => void>;
export declare function mountRuntimeStorageAccessPrompt(options: MountRuntimeStorageAccessPromptOptions): Promise<RuntimeStorageAccessPromptHandle>;
export {};
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