import { type ToastEntry, type ToastKind, type ToastVariant } from "../../ui.js";
export type AppToastEntry = ToastEntry & {
    action?: {
        label: string;
    };
};
export type AppToastAction = {
    label: string;
    onSelect: () => void;
};
export type AppToastOptions = {
    durationMs?: number;
    variant?: ToastVariant;
    scopeKey?: string;
    action?: AppToastAction;
};
export type AppToastControllerHost = {
    activeScope?(): string | undefined;
    render(): void;
};
export declare class AppToastController {
    private readonly host;
    private readonly toastsByScope;
    private readonly timers;
    private readonly actions;
    constructor(host: AppToastControllerHost);
    showToast(message: string, kind?: ToastKind, options?: AppToastOptions): void;
    dismissToast(toastId: number, scopeKey?: string): void;
    activateAction(toastId: number, scopeKey?: string): boolean;
    dismissActiveDialog(scopeKey?: string): boolean;
    visibleStates(scopeKey?: string): readonly AppToastEntry[];
    entry(toastId: number, scopeKey?: string): ToastEntry | undefined;
    clearToastTimers(): void;
    private toastForScope;
    private timersForScope;
    private actionsForScope;
    private removeAction;
    private deleteScopeIfEmpty;
    private normalizeScopeKey;
}