import type { ReactiveController, ReactiveControllerHost } from "lit";
import { type ComponentPresetKey, type ComponentPresetsConfig } from "../utils/component-presets.js";
type PresetHost = ReactiveControllerHost & HTMLElement & {
    preset?: string;
};
export type PresetControllerOptions = {
    /**
     * Config key under `defaults` / `presets`.
     * Prefer the custom element tag (`sky-button`). Defaults to `host.localName`.
     * Short aliases (`button`) resolve to the same bag.
     */
    componentKey?: ComponentPresetKey;
    /**
     * When true, clear preset-applied props (e.g. `sky-button` inside a group
     * that owns visual knobs).
     */
    isPaused?: () => boolean;
    /** Called after props are applied / cleared (e.g. mark style cache dirty). */
    onChange?: () => void;
    /** Prop names never written from presets. */
    skipKeys?: string[];
};
/**
 * Consumes nearest `<sky-config-provider>` and **assigns every prop** from the
 * active defaults + named `preset` bag onto the host (unless the user set that
 * attribute). Changing the provider config or `preset="…"` re-applies the bag.
 *
 * Hosts rendered inside another `sky-*` shadow tree (composite internals) skip
 * presets entirely so app defaults do not restyle library chrome. Slotted /
 * light-DOM instances still receive them. See `isSkyCompositeInternal`.
 *
 * Timing note (Lit reactive-element ≥2): controller `hostUpdate` runs *after*
 * the host's `willUpdate` and *before* `update`/render. Components that derive
 * paint from props must rebuild in `update()`/`updated()` (not `willUpdate`),
 * or rely on the follow-up `requestUpdate` scheduled when props change.
 */
export declare class PresetController implements ReactiveController {
    private readonly host;
    private readonly options;
    private readonly _consumer;
    /** Bumps when context / applied props change. */
    revision: number;
    private _lastPresetName;
    private _lastPaused;
    private _applyQueued;
    constructor(host: PresetHost, options?: PresetControllerOptions);
    /** Tag name (or explicit override) used to look up config bags. */
    get componentKey(): ComponentPresetKey;
    /** Merged presets from context, or nearest provider via DOM walk. */
    get config(): ComponentPresetsConfig | null;
    hostConnected(): void;
    hostUpdate(): void;
    hostDisconnected(): void;
    /** Force re-apply (e.g. after imperative config tweaks). */
    reapply(): void;
    /**
     * Skip applying when `isPaused` says so, or when this host is sky composite
     * chrome (inside another `sky-*` shadow root).
     */
    private _isPaused;
    private _scheduleApply;
    private _applyNow;
}
export {};