import { LitElement, TemplateResult } from 'lit';
import { AbstractConstructor } from './constructor.js';
import { SbbHydrationMixinType } from './hydration-mixin.js';

/**
 * Helper type for willUpdate or similar checks.
 * Allows the usage of the string literal 'listChildren'.
 *
 * @example
 * protected override willUpdate(changedProperties: PropertyValues<WithListChildren<this>>): void {
 *   if (changedProperties.has('listChildren')) {
 *     ...
 *   }
 * }
 */
export type WithListChildren<T extends SbbNamedSlotListMixinType<C>, C extends HTMLElement = HTMLElement> = T & {
    listChildren: C[];
};
export declare abstract class SbbNamedSlotListMixinType<C extends HTMLElement> extends SbbHydrationMixinType {
    protected abstract readonly listChildLocalNames: string[];
    protected listChildren: C[];
    protected renderList(attributes?: {
        class?: string;
        ariaLabel?: string;
        ariaLabelledby?: string;
    }): TemplateResult;
    protected listSlotNames(): string[];
    protected renderHiddenSlot(): TemplateResult;
}
export declare const SbbNamedSlotListMixin: <C extends HTMLElement, T extends AbstractConstructor<LitElement>>(superClass: T) => AbstractConstructor<SbbNamedSlotListMixinType<C>> & T;
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