/**
 * Format a single line of match output for grep/ast-grep style results.
 *
 * The anchor/content separator is always `|`. Matched lines are prefixed
 * with `*`; context lines are prefixed with a single space so anchors
 * align in column. In hashline mode the anchor is `LINE+ID` (no `#`); in
 * plain mode it is just the line number. Line numbers are never padded.
 */
export declare function formatMatchLine(lineNumber: number, line: string, isMatch: boolean, options: {
    useHashLines: boolean;
}): string;