import { Vector4 } from "three";
import type { UIInsetsConfig } from "./UIInsets.Internal";
/** Insets values for four sides */
export declare class UIInsets {
    private lInternal;
    private rInternal;
    private tInternal;
    private bInternal;
    private dirtyInternal;
    /**
     * Creates UIInsets instance.
     *
     * @param config - Insets configuration
     */
    constructor(config?: UIInsetsConfig);
    /** Left inset */
    get left(): number;
    /** Right inset */
    get right(): number;
    /** Top inset */
    get top(): number;
    /** Bottom inset */
    get bottom(): number;
    /** Left inset */
    set left(value: number);
    /** Right inset */
    set right(value: number);
    /** Top inset */
    set top(value: number);
    /** Bottom inset */
    set bottom(value: number);
    /** Sets left and right to same value */
    setHorizontal(value: number): void;
    /** Sets top and bottom to same value */
    setVertical(value: number): void;
    /** Sets all sides to same value */
    setUnified(value: number): void;
    /** Sets insets */
    set(config?: UIInsetsConfig): void;
    /** Sets from Vector4 (x=left, y=right, z=top, w=bottom) */
    setVector4(vector: Vector4): void;
    /** Converts to Vector4 (left, right, top, bottom) */
    toVector4(result?: Vector4): Vector4;
    /** Resets all sides to 0 */
    reset(): void;
    /** Copies from another instance */
    copy(other: UIInsets): void;
}