import { type PropChange } from './diff.js';
export declare const isNonValue: (v: string) => boolean;
/** Collapse longhands into reviewable shorthand rows and drop no-op deltas. */
export declare function summarizeProps(props: PropChange[]): PropChange[];
/** `div.who-grid`, `a.nav-cta`, `h3` — the semantic marker class, else the tag. */
export declare function prettyLabel(p: string, cls: string): string;