import { InjectionToken } from '@angular/core';
/**
 * Interface to implement for the value of {@link ICON_SIZE_PROVIDER}
 */
export interface IconSizeProvider {
    size?: 'sm' | 'md' | 'lg' | 'xl';
}
/**
 * Injection token to provide the default size of the icon based on where
 * it's used. Provided size will be used by default, if there is no explicit
 * size set on the icon.
 *
 * @example
 * ```
 * @Component({
 *   providers: [{provides: ICON_SIZE_PROVIDER, useExisting: forwardRef(() => MyComponent}],
 * })
 * class MyComponent implements IconSizeProvider {
 *   @Input()
 *   size?: 'sm' | 'md';
 * }
 */
export declare const ICON_SIZE_PROVIDER: InjectionToken<unknown>;