/**
 * Mirror modeling operations
 * Core logic for mirroring and creating symmetrical models
 */
import { OutlinerElement } from '../geometry/outliner_element';
import { Mesh } from '../geometry/mesh';
export interface MirrorOptions {
    axis: 0 | 1 | 2;
    center?: number;
    mirrorUV?: boolean;
}
/**
 * Flip a coordinate across a center point
 */
export declare function flipCoordinate(coord: number, center?: number, centeredGrid?: boolean): number;
/**
 * Check if an element is centered on the symmetry axis
 */
export declare function isElementCentered(element: OutlinerElement, axis: number, center?: number): boolean;
/**
 * Flip an element across an axis
 */
export declare function flipElement(element: OutlinerElement, options: MirrorOptions): void;
/**
 * Create a mirrored copy of an element
 */
export declare function createMirrorElement(original: OutlinerElement, options: MirrorOptions): OutlinerElement;
/**
 * Check if parent hierarchy is symmetrical
 */
export declare function isParentTreeSymmetrical(element: OutlinerElement, axis: number, center?: number): boolean;
/**
 * Flip a name on an axis (e.g., "left_arm" -> "right_arm")
 */
export declare function flipNameOnAxis(name: string, axis: number): string;
/**
 * Mirror multiple elements
 */
export declare function mirrorElements(elements: OutlinerElement[], options: MirrorOptions): OutlinerElement[];
/**
 * Create local symmetry for a mesh (mirror vertices on one side)
 */
export declare function createLocalSymmetry(mesh: Mesh, axis: number, center?: number, mirrorUV?: boolean): void;
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