/**
 * Shared helpers for scanner pattern matching.
 */
/**
 * Whether a line is a module import / require statement (ES `import`,
 * re-export `export … from`, or CommonJS `require(...)`).
 *
 * Rules that infer "library X is used" by matching its name should not anchor
 * a finding to the `import` line — flagging an import statement reads as a false
 * positive to reviewers. Use this to skip import lines when choosing the line a
 * finding points at (and to suppress findings whose only evidence is an import).
 */
export declare function isImportLine(line: string): boolean;
/** A violation located at a 0-based line index, plus the anchor line's code. */
export interface WindowedViolation {
    lineIndex: number;
    code: string;
}
export interface WindowedMatchOptions {
    /** Lines of look-around for multi-line matching and the compliance window. */
    windowLines?: number;
    /** Skip lines that are pure comments (`//`, `#`, `*`, `/*`). */
    skipCommentLines?: boolean;
    /** Don't anchor a violation on an `import`/`require` line (see isImportLine). */
    skipImportLines?: boolean;
}
/**
 * Match violation patterns against code with two properties the old per-line +
 * forward-only-window approach lacked:
 *
 *  (a) MULTI-LINE positives — a pattern's `.*?` may span several lines, so a
 *      violation expressed across a block (e.g. `catch (error) {` on one line
 *      and the security keyword on the next) is detected. Each match is anchored
 *      to the line where it STARTS, so a single multi-line span is reported once.
 *
 *  (b) BIDIRECTIONAL compliance — negative (compliance) patterns are evaluated
 *      in a window that looks both ABOVE and below the match, so a mitigation
 *      declared earlier in the block (a CORS whitelist, an MFA check, a session
 *      timeout) correctly suppresses the finding.
 *
 * Returns the anchor lines (0-based) that should produce a finding.
 */
export declare function findWindowedViolations(lines: string[], positivePatterns: RegExp[], negativePatterns: RegExp[] | undefined, options?: WindowedMatchOptions): WindowedViolation[];
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