import type { Config, SuccessResponse, ErrorResponse, CSSProperties, PaymentMethod, FieldUpdateConfig, FieldName, Validation } from './types.js';
export declare class AdvancedReverePay {
    private merchantId;
    private publicAPIKey;
    private initRequestOrigin;
    private accessToken;
    private reverePay;
    private sharedCSS;
    private isValid;
    private gatewayCustomerId;
    currentPaymentMethod: PaymentMethod | null;
    private _email;
    private hostElement;
    private config;
    private initEventsCount;
    private triggerError;
    private validation;
    onSuccess?: (successResponse: SuccessResponse) => void;
    onError?: (responseStatus: number, validation: Validation, error?: ErrorResponse) => void;
    onLoaded?: () => void;
    onCheckValidity?: (validation: Validation) => void;
    constructor({ merchantId, publicAPIKey, config }: {
        merchantId: string;
        publicAPIKey: string;
        config: Config;
    });
    get email(): string;
    set email(email: string);
    checkValidity(): void;
    /**
     * Acceptepted globally for the time being.
     * Pass `null` to **reset** the fields style.
     * @param css
     */
    updateStyle(css: CSSProperties | null): void;
    updateFields(fieldUpdateConfig?: FieldUpdateConfig): void;
    private handleIframeLoad;
    /**
     * Clears out all inputs.
     */
    reset(): void;
    private onCheckValidityHandler;
    private initialize;
    private getAccessToken;
    submit({ gatewayCustomerId }?: {
        gatewayCustomerId?: string;
    }): void;
    focusField(fieldName: FieldName): void;
    private requestToken;
    private initPlaidVerification;
    private setValidation;
}