import * as i0 from '@angular/core';

type ToastVariant = 'default' | 'destructive' | 'success' | 'info' | 'warning';
type ToastMessage<T> = string | ((value: T) => string);
interface ToastPromiseMessages<T> {
    readonly loading: string;
    readonly success: ToastMessage<T>;
    readonly error: ToastMessage<unknown>;
}
type ToastHorizontalPosition = 'start' | 'center' | 'end' | 'left' | 'right';
type ToastVerticalPosition = 'top' | 'bottom';
interface ToastOptions {
    readonly title?: string;
    readonly description?: string;
    readonly action?: string;
    readonly variant?: ToastVariant;
    readonly durationMs?: number | null;
    readonly horizontalPosition?: ToastHorizontalPosition;
    readonly verticalPosition?: ToastVerticalPosition;
}
/** Handle for a shown toast. */
interface ToastRef {
    dismiss(): void;
    /** Resolves with `true` when the action button dismissed the toast. */
    readonly afterDismissed: Promise<{
        dismissedByAction: boolean;
    }>;
}
/**
 * Signal-era toast tanpa dependensi Material: stack dirender ke sebuah live
 * region (`role="status"`, `aria-live="polite"`) sehingga screen reader
 * mengumumkan setiap toast.
 */
declare class ToastService {
    private readonly documentRef;
    private container;
    private readonly active;
    show(options: ToastOptions): ToastRef;
    success(opts: Omit<ToastOptions, 'variant'>): ToastRef;
    info(opts: Omit<ToastOptions, 'variant'>): ToastRef;
    warning(opts: Omit<ToastOptions, 'variant'>): ToastRef;
    error(opts: Omit<ToastOptions, 'variant'>): ToastRef;
    promise<T>(taskOrFactory: Promise<T> | (() => Promise<T>), messages: ToastPromiseMessages<T>): Promise<T>;
    dismiss(): void;
    private ensureContainer;
    static ɵfac: i0.ɵɵFactoryDeclaration<ToastService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ToastService>;
}

export { ToastService };
export type { ToastHorizontalPosition, ToastMessage, ToastOptions, ToastPromiseMessages, ToastRef, ToastVariant, ToastVerticalPosition };