import * as Taffy from "taffy-js";
import { Errata } from "./enums.js";
/**
 * Configuration for the Yoga-like layout engine wrapper.
 * Manages the global TaffyTree instance and experimental feature settings.
 */
export declare class Config {
    private _tree;
    private _errata;
    /**
     * Creates a new configuration instance.
     * Initializes a new TaffyTree for layout computations.
     */
    constructor();
    /**
     * Factory method to create a new Config instance.
     * @returns A new Config instance.
     */
    static create(): Config;
    /**
     * Destroys the given Config instance, freeing associated resources.
     * @param config - The config to destroy.
     */
    static destroy(config: Config): void;
    /**
     * Frees the underlying TaffyTree resources.
     * Should be called when the Config is no longer needed to prevent memory leaks in WASM.
     */
    free(): void;
    /**
     * Accessor for the underlying TaffyTree instance.
     * @internal
     */
    get tree(): Taffy.TaffyTree;
    private _useWebDefaults;
    /**
     * Sets whether an experimental feature is enabled.
     * @param feature - The feature ID (enum).
     * @param enabled - Whether to enable the feature.
     */
    setExperimentalFeatureEnabled(feature: number, enabled: boolean): void;
    /**
     * Sets the point scale factor for logical-to-physical pixel conversion.
     * @param pixelsInPoint - The scale factor.
     */
    setPointScaleFactor(pixelsInPoint: number): void;
    /**
     * Checks if using web defaults (e.g. Flex direction Row).
     * @returns True if using web defaults, false otherwise (classic Yoga defaults).
     */
    useWebDefaults(): boolean;
    /**
     * Enables or disables web standard defaults.
     * If true, flex-direction defaults to Row. If false, defaults to Column (Yoga standard).
     * @param useWebDefaults - Whether to use web defaults.
     */
    setUseWebDefaults(useWebDefaults: boolean): void;
    /**
     * Checks if an experimental feature is enabled.
     * @param feature - The feature ID.
     * @returns True if enabled, false otherwise.
     */
    isExperimentalFeatureEnabled(feature: number): boolean;
    /**
     * Sets the Errata compatibility flags.
     * @param errata - The bitmask of errata to enable.
     */
    setErrata(errata: Errata): void;
    /**
     * Gets the current Errata compatibility flags.
     * @returns The current errata bitmask.
     */
    getErrata(): Errata;
}