import{type LyraTheme}from'./theme.js';
/** A named, reusable application theme choice. */
export interface LyraThemePreset{
/** Stable lowercase identifier reflected to `data-lr-theme-preset`. */
readonly id:string;
/** Mode/accent/surface fields passed through the production theme runtime. */
readonly theme:Readonly<Partial<LyraTheme>>;}
/** Detail emitted on `window` after a preset is applied. */
export interface LyraThemePresetChangeDetail{
/** Applied preset id. */
readonly id:string;
/** Complete semantic snapshot the production runtime applied. */
readonly theme:Readonly<LyraTheme>;}declare global{interface WindowEventMap{'lr-theme-preset-change':CustomEvent<LyraThemePresetChangeDetail>;}}
/**
* Validates and freezes an application-owned preset. The id, closed mode vocabulary, and accent
* value shape are checked here; CSS color syntax is validated by the production runtime when the
* preset is applied. Presets intentionally contain semantic choices rather than arbitrary token
* strings, keeping OS following, contrast validation, persistence, canvas invalidation, and
* no-flash boot on the same production path.
*/
export declare function defineLyraThemePreset<const Preset extends LyraThemePreset>(preset:Preset):Readonly<Preset>;
/** Built-in semantic and gemstone-accent choices. */
export declare const LYRA_THEME_PRESETS:Readonly<{system:Readonly<{readonly id:"system";readonly theme:{readonly mode:"auto";readonly accent:null;};}>;light:Readonly<{readonly id:"light";readonly theme:{readonly mode:"light";readonly accent:null;};}>;dark:Readonly<{readonly id:"dark";readonly theme:{readonly mode:"dark";readonly accent:null;};}>;unset:Readonly<{readonly id:"unset";readonly theme:{readonly mode:"unset";readonly accent:null;};}>;emerald:Readonly<{readonly id:"emerald";readonly theme:{readonly mode:"auto";readonly accent:string;};}>;ruby:Readonly<{readonly id:"ruby";readonly theme:{readonly mode:"auto";readonly accent:string;};}>;amethyst:Readonly<{readonly id:"amethyst";readonly theme:{readonly mode:"auto";readonly accent:string;};}>;sapphire:Readonly<{readonly id:"sapphire";readonly theme:{readonly mode:"auto";readonly accent:string;};}>;}>;export type LyraThemePresetName=keyof typeof LYRA_THEME_PRESETS;
/**
* Applies a built-in key or an application preset. The preset marker and
* `lr-theme-preset-change` event are published only when runtime normalization accepts every
* explicitly requested field; otherwise `lr-theme-change` remains the truthful notification for
* the normalized state and no exact named-preset identity is claimed.
*/
export declare function applyLyraThemePreset(presetOrName:LyraThemePresetName|Readonly<LyraThemePreset>):void;