/**
 * Source-scanner entry: dispatch by extension to the Svelte or TypeScript walker,
 * and a multi-file helper that merges per-file scans while surfacing (never
 * swallowing) files that failed to parse.
 */
import type { ScanOptions, UsageScan } from './types.js';
/** Scan one source's text for translation-key usage. */
export declare function scanSource(code: string, file: string, options?: ScanOptions): Promise<UsageScan>;
export interface ScanSourcesResult {
    scan: UsageScan;
    /** Files that could not be parsed — reported, not silently dropped. */
    errors: Array<{
        file: string;
        message: string;
    }>;
}
/** Scan many sources concurrently and merge them; parse failures become `errors`. */
export declare function scanSources(files: Array<{
    file: string;
    code: string;
}>, options?: ScanOptions): Promise<ScanSourcesResult>;