/**
 * Shared helpers for regex-based source scanners.
 */
/** 1-based line number at a character index in file content. */
export declare function lineAt(content: string, index: number): number;
/** Line number for a RegExp match, when `index` is present. */
export declare function lineFromMatch(content: string, match: RegExpMatchArray): number | undefined;
export declare function matchAll(content: string, source: string, flags?: string): RegExpMatchArray[];
/** Non-global pattern test with 1-based line of first hit. */
export declare function testHit(pattern: RegExp, content: string): {
    hit: boolean;
    line?: number;
};
/** Extract a route path from a human-readable artifact detail string. */
export declare function pathFromRouteDetail(detail: string): string | undefined;
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