import { LoaderContext } from '@rspack/core';

interface CsvLoaderOptions {
    delimiter?: string;
    quote?: string;
    escape?: string;
    bom?: boolean;
    comment?: string | false;
    trim?: boolean;
    /** Generate TypeScript declaration file (.d.ts) */
    emitTypes?: boolean;
    /** Output directory for generated type files (relative to output path) */
    typesOutputDir?: string;
    /** Write .d.ts files to disk (useful for dev server) */
    writeToDisk?: boolean;
}
interface CsvParseResult {
    /** Parsed CSV data as array of objects */
    data: Record<string, unknown>[];
    /** Generated TypeScript type definition string (if emitTypes is true) */
    typeDefinition?: string;
    /** Property configurations for the CSV columns */
    propertyConfigs: PropertyConfig[];
}
interface PropertyConfig {
    name: string;
    schema: any;
    validator: (value: unknown) => boolean;
    parser: (valueString: string) => unknown;
}
/**
 * Parse CSV content string into structured data with schema validation.
 * This is a standalone function that doesn't depend on webpack/rspack LoaderContext.
 *
 * @param content - CSV content string (must have at least headers + schema row + 1 data row)
 * @param options - Parsing options
 * @returns CsvParseResult containing parsed data and optional type definitions
 */
declare function parseCsv(content: string, options?: CsvLoaderOptions): CsvParseResult;
/**
 * Generate JavaScript module code from CSV content.
 * Returns a string that can be used as a module export.
 *
 * @param content - CSV content string
 * @param options - Parsing options
 * @returns JavaScript module code string
 */
declare function csvToModule(content: string, options?: CsvLoaderOptions): {
    js: string;
    dts?: string;
};
declare function csvLoader(this: LoaderContext<CsvLoaderOptions>, content: string): string | Buffer;

export { type CsvLoaderOptions, type CsvParseResult, csvToModule, csvLoader as default, parseCsv };