import { BasePaintObject } from './BasePaintObject';
import { PaintObjectParameters } from '../../../ImageViewer/Layers';
import { PointLocation } from '../../../ImageViewer/Models/SelectionBoxTypes';
import { Color } from '@dt/core-ui';
import { BracketDirection, BracketShape } from './ObjectTypes';
export declare class BracketsPaintObject extends BasePaintObject<'brackets'> {
    /** Whether to show the left bracket */
    showLeftBracket: boolean;
    /** Whether to show the right bracket */
    showRightBracket: boolean;
    /** Curve intensity (0–2) */
    curveIntensity: number;
    /** Arrow bend intensity (0–1.5) */
    arrowIntensity: number;
    /** Bracket width percentage (0–50) */
    bracketWidth: number;
    /**
     * Bracket direction:
     * - 'inward': Both curve inward (default)
     * - 'outward': Both curve outward (mirrored)
     * - 'left-in-right-out': Left inward, right outward
     * - 'left-out-right-in': Left outward, right inward
     */
    arrowDirection: BracketDirection;
    /**
     * Visual shape of brackets:
     * - 'curly': Curved bracket like { }
     * - 'round': Parenthesis ( )
     * - 'angle': Angular < >
     * - 'square': Straight brackets [ ]
     * - 'custom': User-defined shape
     */
    bracketsShape: BracketShape;
    constructor(position: PointLocation, lineColor: Color, lineWidth: number, fillColor: Color, opacity: number);
    private drawBracket;
    draw(destCtx: CanvasRenderingContext2D, mainCtx: CanvasRenderingContext2D, backCtx: CanvasRenderingContext2D, params?: PaintObjectParameters): Promise<void>;
    /**
     * Updates curve and arrow intensities based on the given bracket shape preset.
     * Also sets the arrow direction based on the shape.
     * @param shape - The bracket shape to apply. Has no effect if "custom".
     */
    updateCurvesForShape(shape: BracketShape): void;
    /**
     * Updates `bracketsShape` based on the current curve and arrow intensities.
     * If they match a known preset (within tolerance), that shape is used.
     * Otherwise, shape becomes `'custom'`.
     */
    updateShapeForCurves(curveIntensity: number, arrowIntensity: number): void;
    /**
     * Sets a property by name with proper type checking and updates dependent properties.
     * @param propertyName - Name of the property to set
     * @param value - New value to assign
     * @returns true if the property was handled, false to delegate to base class
     */
    setProperty(propertyName: any, value: any): boolean;
}