/**
 * The line, in the two languages the family's pages are written in; `{n}` is how many times its real thickness the air is drawn.
 *
 * @example
 * ```ts
 * import { AIR_NOTE } from "@johnmorrisdotca/chikyu-earth/realistic";
 * console.log(AIR_NOTE.en.replace("{n}", "3"));
 * ```
 */
export declare const AIR_NOTE: {
    readonly en: "The air is drawn {n} times its real thickness so it can be seen.";
    readonly ja: "大気は、見やすいように実際の厚さの{n}倍で描いています。";
};
/** The styles of the lines under the picture (`#notes`, with the air's `#air-note` and the meteors' `#meteor-note` in it, one above the other) in an element's shadow root. */
export declare const NOTES_STYLE = "#notes{position:absolute;left:8px;right:8px;bottom:6px;display:flex;flex-direction:column;align-items:flex-start;gap:4px;pointer-events:none}#notes>p{position:static;margin:0;max-width:100%;font:11px/1.3 system-ui,sans-serif;color:#dfe6f2;background:#0b0e14b3;padding:2px 6px;border-radius:4px}#notes>p[hidden]{display:none}#notes>#bodies-note{max-height:4.6em;overflow-y:auto;pointer-events:auto;overscroll-behavior:contain}";
/** The words of the line for a thickness: a whole number is written plainly, any other with up to one decimal. */
export declare function airNoteText(lang: "en" | "ja", thickness: number): string;
/** Put the line right: its words in the language of the element or the page, shown only while the air is thicker than it is (`air-thickness` above 1) and `air-label` is not `off`. */
export declare function setAirNote(note: HTMLElement | undefined, host: HTMLElement, thickness: number): void;