import { EventEmitter } from '@angular/core';
import { RouterModal } from './RouterModal';
import { ButtonType } from './ButtonTypes';
export declare abstract class RouterModalYesNo extends RouterModal {
    readonly buttonChanges: EventEmitter<{
        [button: string]: ButtonType;
    }>;
    protected readonly yesButtonState: {
        yes: ButtonType;
    };
    protected readonly noButtonState: {
        no: ButtonType;
    };
    private _yesButtonText;
    yesButtonText: string;
    private _yesButtonClass;
    yesButtonClass: string;
    private _noButtonText;
    noButtonText: string;
    private _noButtonClass;
    noButtonClass: string;
    private _yesButtonDisabled;
    yesButtonDisabled: boolean;
    private _noButtonDisabled;
    noButtonDisabled: boolean;
    abstract yes(): Promise<any>;
    abstract no(): Promise<any>;
}