import { TranslationCollection } from '@biesbjerg/ng2-translate-extract/dist/utils/translation.collection';
import { JsonCompiler } from '@biesbjerg/ng2-translate-extract/dist/compilers/json.compiler';
export declare class ExcelToJsonUtils {
    translationsPerLanguageMap: Map<string, TranslationCollection>;
    languageKeys: string[];
    compiler: JsonCompiler;
    excludedJsonFile: string;
    convert(inputExcelFile: string, outputJsonFolder: string, splitKey: boolean, excludedJsonFile: string): void;
    filesFromFolder(jsonFolder: string): string[];
    excelToJson(excelFile: string, jsonFolder: string, splitKey: boolean): void;
    readRow(row: any, rowNumber: any, splitKey: boolean): void;
    private readHeaderRow(values, splitKey);
    private readTranslationsRow(values, splitKey);
    addKeyValueToMap(componentName: string, value: string, collectionName: string, map: Map<string, TranslationCollection>): Map<string, TranslationCollection>;
    writeExcelLabelsToJsonFolder(excelLabelsMap: Map<string, TranslationCollection>, jsonFolder: string): void;
}