/**
 * Build an array of character indices at which each line (0-based) starts.
 * lineOffsets[i] = character index where line i starts in `code`.
 */
export declare function buildLineOffsets(code: string): number[];
/**
 * Get an array of line numbers (1-based) that contain matches for the given query.
 * Both exact and regex matches are supported.
 * Accepts a pre-built array of line offsets for better performance for repeated searches
 * on the same code.
 */
export declare function getMatchingLineNumbers(code: string, query: string, isRegExpMode: boolean, lineOffsets?: number[]): number[];
export declare const wrapMark: (match: string) => string;
export declare function escapeInnerHTML(raw: string): string;
export declare function escapeHTMLIfNeeded(raw: string, regExp?: RegExp, escape?: typeof escapeInnerHTML): string;
export declare function highlightMatchingChars(code: string, query: string, isRegExpMode: boolean): string;
/**
 * A regular expression to match a line number expression.
 * Examples of valid expressions:
 * - "1" (a single line number)
 * - "1-5" (a range of line numbers)
 * - "1,3,5" (a list of individual line numbers)
 * - "1-3,5,7-10" (a mix of ranges and individual numbers)
 */
export declare const LINE_NUMBER_EXPRESSION_REGEX: RegExp;
export declare function normalizeHighlightedLines(lines: string | Array<number | [number, number]>, maxLines: number): number[];