/**
* Registry of consumer-supplied icon sets for `<lr-icon library="…" name="…">`.
*
* A library is a pure name/family/variant-to-URL function plus an optional mutator. The component owns every
* security-relevant step after that: the resolved URL still goes through the fetch-URL allowlist,
* the response is still byte-capped, and the markup is still sanitized before it reaches the DOM.
* A resolver therefore cannot widen what an icon is allowed to render.
*/
/** Maps an icon name, family, and variant to the URL of a single SVG document. Async resolvers are
*  awaited and generation-guarded, so stale results never start a request or replace a newer icon. */
export type LyraIconLibraryResolver=(name:string,family:string,variant:string)=>string|Promise<string>;
/** Post-processes the sanitized `<svg>` element before it is rendered — recoloring, adding a
*  `viewBox`, stripping a hardcoded `width`/`height`. It runs on already-sanitized, component-owned
*  DOM and is trusted consumer code, so it must not reintroduce markup from an untrusted source. */
export type LyraIconLibraryMutator=(svg:SVGElement)=>void;export interface LyraIconLibraryOptions{resolver:LyraIconLibraryResolver;mutator?:LyraIconLibraryMutator;}export interface LyraIconLibrary extends LyraIconLibraryOptions{readonly name:string;}
/** Registers an icon library, replacing one already registered under the same name. Every
*  currently rendered `<lr-icon>` using that library re-resolves immediately, so registration can
*  happen after the icons are on the page. */
export declare function registerIconLibrary(name:string,options:LyraIconLibraryOptions):void;
/** Removes a library. Icons using it fall back to the built-in glyph set. */
export declare function unregisterIconLibrary(name:string):void;
/** The library registered under `name`, or `undefined`. */
export declare function getIconLibrary(name:string):LyraIconLibrary|undefined;