import { ReactNode, Dispatch } from 'react';
import { IconType } from '../Icon';
import { ALinkProps, ButtonLinkProps } from '../Link';
export interface SimpleToast {
    readonly label: string;
    readonly message?: string;
    readonly onClose?: (id: ToastId) => void;
    readonly duration?: number;
    readonly hasCloseButton?: boolean;
}
export interface ActionToast extends SimpleToast {
    readonly action: {
        readonly icon: IconType;
        readonly text: string;
        readonly link: ButtonLinkProps | ALinkProps;
    };
}
export interface ProgressToast extends SimpleToast {
    readonly progress: {
        readonly value: number;
        readonly label: string;
    };
}
export declare type ToastsMap = ReadonlyMap<ToastId, BaseToastValue>;
export declare type ShowToastHandler = (toast: BaseToastValue, id?: ToastId) => ToastId;
export declare type HideToastHandler = (id: ToastId) => void;
export declare type SimpleToastCreator = (toast: SimpleToast, id?: ToastId) => ToastId;
export declare type ActionToastCreator = (toast: ActionToast, id?: ToastId) => ToastId;
export declare type ProgressToastCreator = (toast: ProgressToast, id?: ToastId) => ToastId;
export interface ToastCallbacks {
    readonly showToast: ShowToastHandler;
    readonly hideToast: HideToastHandler;
    readonly clearToasts: () => void;
    readonly showSuccessToast: SimpleToastCreator;
    readonly showErrorToast: SimpleToastCreator;
    readonly showWarningToast: SimpleToastCreator;
    readonly showInfoToast: SimpleToastCreator;
    readonly showLoadingToast: SimpleToastCreator;
    readonly showProgressToast: ProgressToastCreator;
    readonly showActionToast: ActionToastCreator;
}
export interface BaseToastValue {
    readonly icon: ReactNode;
    readonly label: ReactNode;
    readonly message?: ReactNode;
    readonly duration?: number;
    readonly hasCloseButton?: boolean;
    readonly onClose?: (id: ToastId) => void;
}
export declare enum ToastActionType {
    TOAST_CREATE = 0,
    TOAST_REMOVE = 1,
    TOAST_REMOVE_ALL = 2
}
export declare type ToastId = string;
export interface ToastCreateAction {
    readonly id: ToastId;
    readonly type: ToastActionType.TOAST_CREATE;
    readonly data: BaseToastValue;
}
export interface ToastRemoveAction {
    readonly id: ToastId;
    readonly type: ToastActionType.TOAST_REMOVE;
}
export interface ToastRemoveAllAction {
    readonly type: ToastActionType.TOAST_REMOVE_ALL;
}
export declare type ToastAction = ToastCreateAction | ToastRemoveAction | ToastRemoveAllAction;
export declare const NI: () => never;
export interface ToastContextType extends ToastCallbacks {
    readonly dispatch: Dispatch<ToastAction>;
    readonly toasts: ToastsMap;
}
export declare const ToastsContext: import("react").Context<ToastContextType>;