export type Library = '@ant-design/icons-svg' | '@fortawesome/free-brands-svg-icons' | '@fortawesome/free-regular-svg-icons' | '@fortawesome/free-solid-svg-icons' | 'phosphor/bold' | 'phosphor/duotone' | 'phosphor/fill' | 'phosphor/light' | 'phosphor/regular' | 'phosphor/thin';
export type ResourceObject = string | {
    library: Library;
    src: string;
};
export type Resources = Record<Library, string>;
export interface IconComponent {
    attrs?: Record<string, unknown>;
    children?: IconComponent | IconComponent[];
    key?: number;
    tag: 'svg' | 'path' | 'rect' | 'circle';
}
export interface ChildComponent extends Omit<IconComponent, 'children'> {
    tag: 'path' | 'rect' | 'circle';
}
export interface SvgComponent extends IconComponent {
    children?: ChildComponent | ChildComponent[];
    tag: 'svg';
}
export declare function isResourceKey(input: unknown): input is Library;
export declare function isResourceObject(input: unknown): input is Exclude<ResourceObject, string>;
export declare function toArray<T>(input: T | T[]): T[];
export declare function importIcon(selector: string, resource: ResourceObject): Promise<IconComponent>;