export declare const matchers: ({ supports: string; property: string; sniff: string; matchers: { type: string; value: string; nodes: ({ type: string; value: string; isVariable?: undefined; } | { type: string; value?: undefined; isVariable?: undefined; } | { type: string; isVariable: boolean; value?: undefined; })[]; }[]; } | { supports: string; property: string; sniff: string; matchers: { type: string; value: string; dimension: { unit: string; }; }[]; })[];