import type * as React from 'react';
import type { ToastOptions, Intent } from '../../contracts/components.js';
export type { UseToast, ToastOptions, ToastHistoryItem, Intent } from '../../contracts/components.js';
export type ToastIntent = 'neutral' | 'info' | 'success' | 'warning' | 'danger' | 'error';
export type ToastPosition = 'top-left' | 'top-center' | 'top-right' | 'bottom-left' | 'bottom-center' | 'bottom-right';
/** logical viewport position — maps onto the physical six-region grid
    (start = inline-start). Default 'bottom-end'. */
export type ToastLogicalPosition = 'top-start' | 'top-center' | 'top-end' | 'bottom-start' | 'bottom-center' | 'bottom-end';
export interface ToastProviderProps {
    /** default 3 — extra toasts are marked limited */
    limit?: number | undefined;
    /** default 5000ms */
    timeout?: number | undefined;
    position?: ToastLogicalPosition | undefined;
    history?: boolean | {
        limit?: number | undefined;
    } | undefined;
    children?: React.ReactNode;
}
/** REQ-CMP-110: provider-scoped toast history exposed by useToast. */
export interface ToastHistory {
    /** every toast recorded this session, most recent last (new array per change) */
    items: ToastRecord[];
    /** items with read === false */
    unread: number;
    markRead: (id: string) => void;
    markAllRead: () => void;
    clear: () => void;
}
/** S-30: parts carry no value, so the DOM onChange callback (BANNED_PROPS) is not part of their API. */
export type ToastPartAttributes<T> = Omit<T, 'onChange'>;
export interface ToastViewportProps extends ToastPartAttributes<React.HTMLAttributes<HTMLDivElement>> {
    /** one of six fixed regions — default 'bottom-right' */
    position?: ToastPosition | undefined;
    children?: React.ReactNode;
}
export interface ToastData {
    title?: React.ReactNode;
    description?: React.ReactNode;
    /** intent drives type, live-region priority and role mapping */
    intent?: ToastIntent;
    duration?: number | undefined;
    priority?: 'low' | 'high' | undefined;
    action?: {
        label: string;
        onClick: () => void;
    } | undefined;
    actionLabel?: React.ReactNode;
    onAction?: (() => void) | undefined;
    /** per-toast timeout override; 0 = sticky */
    timeout?: number | undefined;
}
export interface ToastRecord {
    id: string;
    intent: Intent;
    title: React.ReactNode;
    description?: React.ReactNode;
    at: number;
    createdAt: number;
    status: 'open' | 'closed';
    read: boolean;
}
export interface ToastRootProps extends ToastPartAttributes<React.HTMLAttributes<HTMLDivElement>> {
    /** The toast record to render (from `useToast`). */
    toast: any;
    /** S-30 root prop: when set, this toast is marked data-limited (hidden) once
        its stack index in the viewport reaches `limit`. The Provider limit
        (default 3) still applies first. */
    limit?: number | undefined;
    /** Content rendered inside the component. */
    children?: React.ReactNode;
}
export interface ToastTitleProps extends ToastPartAttributes<React.HTMLAttributes<HTMLElement>> {
    children?: React.ReactNode;
}
export interface ToastDescriptionProps extends ToastPartAttributes<React.HTMLAttributes<HTMLElement>> {
    children?: React.ReactNode;
}
export interface ToastActionProps extends ToastPartAttributes<React.ButtonHTMLAttributes<HTMLButtonElement>> {
    children?: React.ReactNode;
}
export interface ToastCloseProps extends ToastPartAttributes<React.ButtonHTMLAttributes<HTMLButtonElement>> {
    children?: React.ReactNode;
}
export interface ToastProgressProps extends ToastPartAttributes<React.HTMLAttributes<HTMLElement>> {
    children?: React.ReactNode;
}
export interface UseToastReturn {
    toast: (options: ToastOptions) => string;
    dismiss: (id?: string) => void;
    toasts: any[];
    add: (t: ToastData) => string;
    close: (id: string) => void;
    update: (id: string, t: Partial<ToastData>) => void;
    promise: <V>(p: Promise<V>, opts: {
        loading: ToastData;
        success: ToastData | ((v: V) => ToastData);
        error: ToastData | ((e: unknown) => ToastData);
    }) => Promise<V>;
    info: (t: Omit<ToastData, 'intent'>) => string;
    success: (t: Omit<ToastData, 'intent'>) => string;
    warning: (t: Omit<ToastData, 'intent'>) => string;
    error: (t: Omit<ToastData, 'intent'>) => string;
    /** provider-scoped toast history — null when Provider mounts with history={false} */
    history: ToastHistory | null;
}
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