/** The line, in the two languages the family's pages are written in. */
export declare const METEOR_NOTE: {
    readonly en: "Meteor streaks are an illustration. How often they appear, and where, how high and when, follow real data.";
    readonly ja: "流星の光の筋はイメージです。出やすさ、場所、高さ、時期は実際のデータにもとづいています。";
};
/** The styles of the line (`#meteor-note` in an element's shadow root). */
export declare const METEOR_NOTE_STYLE = "#meteor-note{position:absolute;left:8px;bottom:6px;margin:0;font:11px/1.3 system-ui,sans-serif;color:#dfe6f2;background:#0b0e14b3;padding:2px 6px;border-radius:4px;pointer-events:none}#meteor-note[hidden]{display:none}";
/** Put the line right: its words in the language of the element or the page, shown only while meteors are on and `meteors-label` is not `off`. */
export declare function setMeteorNote(note: HTMLElement | undefined, host: HTMLElement, on: boolean): void;
/** Whether a reader has asked their device for less motion. */
export declare const prefersLessMotion: () => boolean;