/**
 * Go source symbol extraction using `go/parser`.
 *
 * Runs the extraction program from `toolchain-scripts.ts` under `go run`, with
 * the source on stdin, and decodes its JSON. When the toolchain is missing or
 * the run yields nothing, a line-based extractor keeps the file indexed.
 *
 * Extracts: func, method, type, const, var
 */
import type { FileSymbols, SymbolLang } from './schema.js';
export declare function parseSymbols(opts: {
    file: string;
    content: string;
    lang: SymbolLang;
}): Promise<FileSymbols>;
export { detectLang } from './languages.js';
/**
 * Blank comment and string/rune literal contents, keeping offsets and newlines.
 * Quote characters survive so the line structure stays readable.
 */
export declare function maskGoNonCode(src: string): string;
/**
 * Line-based extraction for when `go run` is unavailable or failed.
 *
 * Runs over {@link maskGoNonCode} output and only reads declarations at the top
 * level. Previously it scanned every trimmed line of the raw source, so:
 *  - a `(` or `}` inside a string or comment tripped the delimiter check and
 *    the whole file indexed empty (`strings.Split(s, "(")` is enough);
 *  - every `var x` / `type t` local inside a function body became a
 *    package-level symbol;
 *  - generic functions (`func Map[T any](`) were missing, grouped
 *    `const ( … )` / `var ( … )` members were missing, and methods were
 *    scoped `pkg.Name` instead of the native parser's `pkg.Recv.Name`.
 */
export declare function parseGoWithoutToolchain(filePath: string, content: string, lang?: SymbolLang): FileSymbols;
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