import type { RawMatrix4 } from '../mat4/RawMatrix4';
import type { RawLine3 } from './RawLine3';
/**
 * Apply given matrix4 to given line.
 *
 * @param line A line
 * @param matrix A matrix4 which will be applied to the line
 */
export declare function line3ApplyMatrix4([start, end]: RawLine3, matrix: RawMatrix4): RawLine3;