import { Config } from "./config.js";
import { LocaleData } from "./locale-data.js";
import { Source, SourceExtractKeysOptions } from "./source.js";
export declare class JsonResourceFile implements Source {
    #private;
    constructor(filename: string, source: string, data: LocaleData);
    get filename(): string;
    get source(): string;
    static parse(filename: string, source: string): JsonResourceFile;
    extractKeys(config: Config, { prefix, diagnostics }: SourceExtractKeysOptions): Map<string, string>;
}