import type { PropertyValues } from "lit";
import type { InitOptions, i18n } from "i18next";
declare type Constructor<T> = new (...args: any[]) => T;
interface CustomElement {
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    readonly isConnected: boolean;
}
export declare const translate: (i18next: i18n) => <T extends Constructor<CustomElement>>(base: T) => {
    new (...args: any[]): {
        _i18nextJustInitialized: boolean;
        _language: string;
        connectedCallback(): void;
        disconnectedCallback(): void;
        shouldUpdate(changedProps: PropertyValues): any;
        initCallback: (options: InitOptions) => void;
        langChangedCallback: () => void;
        readonly isConnected: boolean;
    };
} & T;
export {};
//# sourceMappingURL=translate-mixin.d.ts.map