import { BoundingBox, BoundingSphere } from '@gglib/math';
import { Device } from '../Device';
import { PrimitiveTypeOption } from '../enums';
import { Buffer, BufferOptions } from '../resources/Buffer';
import { ShaderProgram } from '../resources/ShaderProgram';
/**
 * Constructor options for {@link ModelMeshPart}
 *
 * @public
 */
export interface ModelMeshPartOptions {
    /**
     * A user defined name of the mesh object
     */
    name?: string;
    /**
     * An axis aligned bounding box containing the mesh in local space
     */
    boundingBox?: number[] | BoundingBox;
    /**
     * A bounding sphere containing the mesh in local space
     */
    boundingSphere?: number[] | BoundingSphere;
    /**
     * The material identifier. Defaults to 0
     */
    materialId?: number | string;
    /**
     * The index buffer
     */
    indexBuffer?: Buffer | BufferOptions;
    /**
     * A single vertex buffer or an array ob vertex buffers
     */
    vertexBuffer?: Buffer | BufferOptions | Array<Buffer | BufferOptions>;
    /**
     * Offset in vertex buffer
     */
    /**
     * The mode of the mesh. e.g. TrinagleList, LineList etc.
     */
    primitiveType?: PrimitiveTypeOption;
}
/**
 * @public
 */
export declare class ModelMeshPart {
    static readonly Options: unique symbol;
    /**
     * A unique id
     */
    uid: string;
    /**
     * The graphics device
     */
    readonly device: Device;
    /**
     * The axis aligned bounding box containing the mesh in local space
     */
    boundingBox: BoundingBox;
    /**
     * The bounding sphere containing the mesh in local space
     */
    boundingSphere: BoundingSphere;
    /**
     * The material id or name referencing the material in the models material collection
     */
    materialId: number | string;
    /**
     * The index buffer
     */
    indexBuffer: Buffer;
    /**
     * Offset in index buffer
     */
    indexOffset: number | null;
    /**
     * The vertex buffers
     */
    vertexBuffer: Buffer[];
    /**
     * The vertex buffer primitive type
     */
    primitiveType: number;
    constructor(device: Device, params: ModelMeshPartOptions);
    /**
     * Draws the mesh with the given program
     *
     * @param program - the program to draw with
     */
    draw(program: ShaderProgram): ModelMeshPart;
    destroy(): void;
}
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