/** Reserved id for the registry-owned imperative host dialog. */
export declare const RUI_DIALOG_HOST_ID = "__rui-dialog-host";
export declare const RUI_DIALOG_OPEN_EVENT = "rui-dialog-open";
export declare const RUI_DIALOG_CLOSE_EVENT = "rui-dialog-close";
export declare const RUI_DIALOG_TOGGLE_EVENT = "rui-dialog-toggle";
export declare const RUI_DIALOG_ACTION_EVENT = "rui-dialog-action";
export type DialogActionVariant = 'primary' | 'ghost' | 'error' | 'outline' | 'filled';
export type DialogActionSize = 'sm' | 'md' | 'lg';
export type DialogAction = {
    label: string;
    variant?: DialogActionVariant;
    size?: DialogActionSize;
    /** Emitted on `rui-dialog-action` as `detail.value`. */
    value?: string;
    /** Default `true` — dismiss after click. */
    closeOnClick?: boolean;
};
/** Content for the registry-owned imperative host dialog (no `id`). */
export type DialogHostContent = {
    title?: string;
    /** Body copy (plain text). */
    body?: string;
    alert?: boolean;
    /** Accessible name when there is no title. */
    label?: string;
    actions?: DialogAction[];
};
/** Open a named dialog by id, or fill the imperative host — never both. */
export type DialogOpenOptions = {
    id: string;
} | DialogHostContent;
export type DialogOpenDetail = DialogOpenOptions | string;
export type DialogCloseDetail = {
    id?: string;
};
export type DialogToggleDetail = {
    id: string;
};
export type DialogActionDetail = {
    value?: string;
};
export type DialogHandle = {
    open: {
        (): void;
        (id: string): void;
        (options: DialogHostContent): void;
    };
    /** Omit `id` to close the currently open dialog. */
    close: (id?: string) => void;
    toggle: (id?: string) => void;
    readonly openId: string | null;
};
export declare function isNamedDialogOpen(detail: DialogOpenOptions): detail is {
    id: string;
};