import type { Expression, PatternElement, Resource, Attribute } from '@fluent/syntax';
declare const SMARTLING_CSV_HEADER: string[];
type CSVRow = {
    [K in (typeof SMARTLING_CSV_HEADER)[number]]: string;
};
/**
 *
 * Extracts text from the elements of a pattern by recursively traversing the elements.
 *
 */
export declare function extractTextFromElements(elements: PatternElement[]): string;
export declare function extractTextFromPlaceable(expression: Expression): string;
/**
 * This function extracts the attributes from the message and returns them as a string.
 *
 */
export declare function extractAttributesAsString(attributes: Attribute[]): string;
/**
 * This function parses the FTL file and returns the CSV rows.
 *
 */
export declare function parseFTLToCSV(filePath: string): CSVRow[];
export declare function saveToCSV(rows: CSVRow[], outputFilePath: string): void;
/**
 * This function uploads the file to Smartling once is converted to a CSV file.
 *
 * @param filePath
 */
export declare function uploadTranslationsFileToSmartling(filePath: string): Promise<void>;
/**
 * This function converts the FTL file to a CSV file.
 *
 */
export declare function convertFtlToCsv(filePath: string): string;
export declare function uploadTranslationsFiles(): Promise<void>;
/**
 * Reads a .ftl file and returns its content as a Fluent Resource.
 *
 * If `INJECT_PLACEHOLDER_WORKAROUND` is true, applies a workaround to the resource.
 *
 * @param absolutePath the absolute path of the .ftl file.
 * @returns the content of the .ftl file as a Fluent Resource.
 */
export declare function getResourceFromFtlFile(absolutePath: string): Resource;
/**
 * A workaround for a Smartling bug.
 *
 * Smartling doesn't support messages with attributes but without a value.
 * This function adds a placeholder value to such messages.
 *
 * The naming of the function is intentionally bad to remove it ASAP once bug is fixed on
 * Smartling side.
 *
 * @param {Resource} resource - The resource to be modified
 */
export declare function injectPlaceholderValueWorkaround(resource: Resource): void;
export declare function upload(): Promise<void>;
export {};