import * as THREE from 'three/webgpu';
/** Optional colors for the positive and negative halves of each axis. */
export interface PlainAxisColors {
    x?: THREE.ColorRepresentation;
    y?: THREE.ColorRepresentation;
    z?: THREE.ColorRepresentation;
}
/** Typed attributes owned by a {@link PlainAxis} geometry. */
export type PlainAxisGeometryAttributes = THREE.NormalBufferAttributes & {
    position: THREE.Float32BufferAttribute;
    color: THREE.Float32BufferAttribute;
};
/** Geometry type used by {@link PlainAxis}. */
export type PlainAxisGeometry = THREE.BufferGeometry<PlainAxisGeometryAttributes>;
/** Material shape supported by Three.js line copy/customization flows. */
export type PlainAxisMaterial = THREE.LineBasicMaterial | THREE.LineBasicMaterial[];
/**
 * PlainAxis — A simple line-based axis mesh similar to Blender's "Empty - Plain Axes".
 * Draws full X, Y, Z axes crossing at the origin.
 *
 * @augments THREE.LineSegments
 *
 * @example
 * const axis = new PlainAxis(1);
 * scene.add(axis);
 */
declare class PlainAxis extends THREE.LineSegments<PlainAxisGeometry, PlainAxisMaterial> {
    /**
   * Constructs a new PlainAxis.
   *
   * @param {number} [size=1] - Length from center to each end. Total per-axis length = 2×size.
   * @param {Object} [colors] - Optional axis colors.
   * @param {(number|string|THREE.Color)} [colors.x=0xff0000] - X axis color.
   * @param {(number|string|THREE.Color)} [colors.y=0x00ff00] - Y axis color.
   * @param {(number|string|THREE.Color)} [colors.z=0x0000ff] - Z axis color.
   */
    constructor(size?: number, colors?: PlainAxisColors);
    /**
   * Update axis colors.
   * @param {(number|THREE.Color|string)} xAxisColor - New color for X axis.
   * @param {(number|THREE.Color|string)} yAxisColor - New color for Y axis.
   * @param {(number|THREE.Color|string)} zAxisColor - New color for Z axis.
   * @returns {PlainAxis}
   */
    setColors(xAxisColor: THREE.ColorRepresentation, yAxisColor: THREE.ColorRepresentation, zAxisColor: THREE.ColorRepresentation): this;
    /**
   * Dispose GPU resources used by this helper.
   * @returns {void}
   */
    dispose(): void;
}
/** Public marker merged without adding a runtime class field. */
interface PlainAxis {
    type: 'PlainAxis';
}
export { PlainAxis };