export declare function createT(sourceMap: Record<string, any>): <T = string>(key: string, data?: Record<string, any>) => T;
export declare const defaultI18nInstance: II18n;
export interface II18n {
    t: <T>(key: string, data?: Record<string, any>) => T;
    d: (time: Date | string, format?: string) => string;
}
/**
 * @internal
 * @returns
 */
export declare function getI18nInstance(): II18n;
/**
 * @internal
 * @returns
 */
export declare function setI18nInstance(i18n: II18n | undefined | null): void;
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