import type { EnhancedTranslationFile, FormatOptions, IFormatHandler, ValidationResult } from "../format.interface.js";
import type { TranslationFile } from "../translate.interface.js";
export declare class JsonHandler implements IFormatHandler {
    canHandle(filePath: string, content?: string): boolean;
    parse(content: string): EnhancedTranslationFile;
    serialize(data: EnhancedTranslationFile, options?: FormatOptions): string;
    getFileExtension(): string;
    validateStructure(data: TranslationFile): ValidationResult;
    private flattenObject;
    private reconstructNestedStructure;
    private updateNestedValues;
    private reconstructFromFlatStructure;
    private setNestedValue;
    private parsePath;
    private validateTranslatableContent;
    private getIndentation;
}