import * as spec from '@galacean/effects-specification';
export declare const closePointEps = 0.0001;
export declare const curveEps = 0.0001;
/**
 * A stroke attribute object, used to define properties for a stroke.
 */
export interface StrokeAttributes {
    /** The width of the stroke. */
    width: number;
    /** The alignment of the stroke. */
    alignment: number;
    /** The line cap style to use. */
    cap: spec.LineCap;
    /** The line join style to use. */
    join: spec.LineJoin;
    /** The miter limit to use. */
    miterLimit: number;
}
/**
 * Builds a line to draw using the polygon method.
 * @param points
 * @param lineStyle
 * @param flipAlignment
 * @param closed
 * @param vertices
 * @param _verticesStride
 * @param _verticesOffset
 * @param indices
 * @param _indicesOffset
 */
export declare function buildLine(points: number[], lineStyle: StrokeAttributes, flipAlignment: boolean, closed: boolean, vertices: number[], _verticesStride: number, _verticesOffset: number, indices: number[], _indicesOffset: number): void;