/**
 * Props accepted by every icon function.
 *
 * The four named props are consumed by the renderer; any other key is emitted
 * verbatim as an attribute on the `<svg>` element, so
 * `{ "aria-hidden": "true" }` renders `aria-hidden="true"`.
 */
export interface IconProps extends Record<string, unknown> {
    /** Both `width` and `height`. Falls back to the icon's natural size. */
    size: number;
    /** The `class` attribute. Omitted entirely when falsy. */
    class: string;
    /** The `style` attribute. Omitted entirely when falsy. */
    style: string;
    /**
     * The `stroke-width` attribute. Only honored by stroke-based families
     * (Bytesize, Feather, Lucide); ignored everywhere else.
     */
    strokeWidth: number;
}
/** The signature shared by every icon function in this package. */
export type IconFn = (props?: Partial<IconProps> | null) => string;
/**
 * Builds an icon function from the static parts extracted at build time.
 *
 * Every generated icon module is a single call to this factory. Hoisting the
 * renderer here instead of inlining it into each of the ~19k icon modules is
 * what keeps the package inside JSR's 20 MiB per-version budget.
 *
 * @param size Natural size of the icon, used when `props.size` is falsy.
 * @param strokeWidth Default `stroke-width`, or `null` to omit the attribute
 *   (and ignore `props.strokeWidth`) for fill-based families.
 * @param head Markup preceding `<svg`, i.e. a license comment or `""`.
 * @param rest Everything following the generated `<svg ` attributes, i.e. the
 *   icon's own attributes, body and closing tag.
 */
export declare function icon(size: number, strokeWidth: number | null, head: string, rest: string): IconFn;