import * as React from "react";
import { AbstractPureComponent } from "../../common";
import type { DOMMountOptions } from "../../common/utils/mountOptions";
import type { OverlayToasterProps } from "./overlayToasterProps";
import type { Toaster, ToastOptions } from "./toaster";
import type { ToastProps } from "./toastProps";
export interface OverlayToasterState {
    toasts: ToastOptions[];
    toastRefs: Record<string, React.RefObject<HTMLElement>>;
}
export type OverlayToasterCreateOptions = DOMMountOptions<OverlayToasterProps>;
export declare const OVERLAY_TOASTER_DELAY_MS = 50;
/**
 * OverlayToaster component.
 *
 * @see https://blueprintjs.com/docs/#core/components/toast
 */
export declare class OverlayToaster extends AbstractPureComponent<OverlayToasterProps, OverlayToasterState> implements Toaster {
    static displayName: string;
    static defaultProps: OverlayToasterProps;
    /**
     * Create a new `Toaster` instance that can be shared around your application.
     * The `Toaster` will be rendered into a new element appended to the given container.
     */
    static create(props?: OverlayToasterProps, container?: HTMLElement): Toaster;
    /**
     * Similar to {@link OverlayToaster.create}, but returns a Promise to a
     * Toaster instance after it's rendered and mounted to the DOM.
     *
     * This API will replace the synchronous {@link OverlayToaster.create} in a
     * future major version of Blueprint to reflect React 18+'s new asynchronous
     * rendering API.
     */
    static createAsync(props?: OverlayToasterProps, options?: OverlayToasterCreateOptions): Promise<Toaster>;
    state: OverlayToasterState;
    private queue;
    private toastId;
    private toastRefs;
    /** Compute a new collection of toast refs (usually after updating toasts) */
    private getToastRefs;
    show(props: ToastProps, key?: string): string;
    private maybeUpdateExistingToast;
    private immediatelyShowToast;
    private startQueueTimeout;
    private handleQueueTimeout;
    private updateToastsInState;
    dismiss(key: string, timeoutExpired?: boolean): void;
    clear(): void;
    getToasts(): ToastOptions[];
    render(): React.JSX.Element;
    protected validateProps({ maxToasts }: OverlayToasterProps): void;
    /**
     * If provided `Toast` children, automaticaly upgrade them to `Toast2` elements so that `Overlay2` can inject
     * refs into them for use by `CSSTransition`. This is a bit hacky but ensures backwards compatibility for
     * `OverlayToaster`. It should be an uncommon code path in most applications, since we expect most usage to
     * occur via the imperative toaster APIs.
     *
     * We can remove this indirection once `Toast2` fully replaces `Toast` in a future major version.
     *
     * TODO(@adidahiya): Blueprint v6.0
     */
    private renderChildren;
    private dismissIfAtLimit;
    private renderToast;
    private createToastOptions;
    private getPositionClasses;
    private getDismissHandler;
    private handleClose;
}