/** @packageDocumentation
 * @module Geometry
 */
import { Id64String } from "@itwin/core-bentley";
import { IndexedPolyface } from "@itwin/core-geometry";
/** Options used to control how [Polyface]($core-geometry)s are produced from elements by [IModelConnection.generateElementMeshes]($frontend).
 * @beta
 */
export interface ElementMeshOptions {
    /** Maximum distance from a face to the original geometry.
     * If not supplied, defaults to zero and [[angleTolerance]] will control the quality of the resulting mesh instead.
     * @see [StrokeOptions.chordTol]($core-geometry).
     */
    chordTolerance?: number;
    /** Maximum angle difference in radians for an approximated face.
     * If not supplied, defaults to PI/12 (15 degrees).
     * @see [StrokeOptions.angleTol]($core-geometry).
     */
    angleTolerance?: number;
    /** BRep features with bounding boxes smaller than this size will not generate graphics.
     * This option can be used to ignore expensive details from [BRepEntity.DataProps]($core-common)
     * like screws and screw holes.
     */
    minBRepFeatureSize?: number;
}
/** Describes a request to generate [Polyface]($core-geometry)s from an element.
 * @see [IModelConnection.generateElementMeshes]($frontend).
 * @beta
 */
export interface ElementMeshRequestProps extends ElementMeshOptions {
    /** The Id of the [GeometricElement]($backend) from which to obtain meshes. */
    source: Id64String;
}
/** Convert the output of [IModelConnection.generateElementMeshes]($frontend) into an array of [Polyface]($core-geometry)s.
 * @param data Encoded polyfaces obtained from [IModelConnection.generateElementMeshes]($frontend).
 * @returns a list of decoded polyfaces.
 * @beta
 */
export declare function readElementMeshes(data: Uint8Array): IndexedPolyface[];
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