import { LitElement } from "lit";
export declare function cardSvg(cardBrand: string): import("lit-html").TemplateResult<1>;
export declare class PaymentElement extends LitElement {
    static styles: import("lit").CSSResult;
    customerClientSecret?: string;
    clientId?: string;
    loading: boolean;
    loadingCardElement: boolean;
    displayExistingPaymentMethod: boolean;
    paymentMethod?: any;
    errors: string[];
    connectedCallback(): Promise<void>;
    private loadPaymentMethods;
    validate(): Promise<{
        isValid: boolean;
        errors: string[];
    }>;
    tokenize(): Promise<string | undefined>;
    render(): import("lit-html").TemplateResult<1>;
}