export declare const i18n: <G extends "title" | "label_case-sensitive" | "label_whole-word", S extends string>(key: G | (string extends S ? S : never), params?: {
    [key: string]: any;
}) => S extends G ? {
    "label_case-sensitive": string;
    "label_whole-word": string;
    title: string;
}[G] : string;