/**
 * Orator notification formatter.
 * Unique visual: gradient fill bar ░▓ — no box/border (distinct from all siblings).
 *
 * Three-zone bar: ░ baseline | ▓ improvement | ░ headroom
 * e.g. "🪶 3.2 ░░░▓▓▓▓▓▓▓▓ 7.8"
 */
/** Full notification with score bar, techniques, and summary. */
export declare function fmt(before: number, after: number, techniques: string[], issueCount: number, summary: string): string;
/** Minimal single-line notification (already good / error). */
export declare function fmtMinimal(message: string): string;