import { ComponentHarness, ComponentHarnessConstructor, BaseHarnessFilters, HarnessPredicate, TextOptions } from '@angular/cdk/testing';

interface AlertMessageHarnessFilters extends BaseHarnessFilters {
    /** only select the alert with the content matching this regular expression */
    content?: RegExp;
}
declare class AlertMessageHarness extends ComponentHarness {
    static hostSelector: string;
    private _getBackdrop;
    private _getDeleteButton;
    private _getContentDiv;
    static with<T extends AlertMessageHarness>(this: ComponentHarnessConstructor<T>, options?: AlertMessageHarnessFilters): HarnessPredicate<T>;
    getColor(): Promise<string>;
    delete(): Promise<void>;
    getContent(options?: TextOptions): Promise<string>;
    private static filterByContent;
}
declare class AlertContainerHarness extends ComponentHarness {
    static hostSelector: string;
    private _items;
    private _floatingFrame;
    getAlertItem(content: RegExp): Promise<AlertMessageHarness | null>;
    countAlertItems(): Promise<number>;
    isFloated(): Promise<boolean>;
}

export { AlertContainerHarness, AlertMessageHarness };
export type { AlertMessageHarnessFilters };