import type { Mesh } from './mesh';
import type { Texture2D, Texture2DGroup, ColorGroup, CompositeMaterials, MultiProperties, PBSpecularDisplayProperties, PBMetallicDisplayProperties, PBSpecularTextureDisplayProperties, PBMetallicTextureDisplayProperties, TranslucentDisplayProperties } from './materials-extension/types';
/**
 * XML representation of a vertex
 */
export interface XmlVertex {
    '@_x': number;
    '@_y': number;
    '@_z': number;
}
/**
 * XML representation of a triangle
 */
export interface XmlTriangle {
    '@_v1': number;
    '@_v2': number;
    '@_v3': number;
    '@_p1'?: number;
    '@_p2'?: number;
    '@_p3'?: number;
    '@_pid'?: number;
}
/**
 * Convert a Mesh object into XML-friendly structure for 3MF
 */
export declare function meshToXml(mesh: Mesh): {
    vertices: {
        vertex: XmlVertex[];
    };
    triangles: {
        triangle: XmlTriangle[];
    };
};
/**
 * Convert a Mesh into a full Object XML element for inclusion in resources
 * @param id Numeric object ID
 * @param mesh Mesh data to serialize
 * @param attributes Optional extra XML attributes (@_name, @_partnumber, etc.)
 */
export declare function objectWithMesh(id: number, mesh: Mesh, attributes?: Record<string, string | number>): any;
/**
 * Build a minimal XML object literal for the 3MF <build> section
 * @param objectId ID of the resource object to include in the build
 * @param attributes Optional extra XML attributes (e.g. @_transform)
 */
export declare function buildItemXml(objectId: number, attributes?: Record<string, string>): any;
/**
 * Top-level 3MF XML structure types for serialization
 */
export type ObjectElement = ReturnType<typeof objectWithMesh>;
export type BuildItemElement = ReturnType<typeof buildItemXml>;
export interface ResourcesXml {
    object: ObjectElement | ObjectElement[];
}
export interface BuildXml {
    item: BuildItemElement | BuildItemElement[];
}
export interface ModelXml {
    '@_unit': string;
    '@_xmlns': string;
    resources: ResourcesXml;
    build: BuildXml;
}
export interface ThreeMFXml {
    model: ModelXml;
}
/** Build <texture2d> element */
export declare function texture2dToXml(tex: Texture2D): any;
/** Build <texture2dgroup> element */
export declare function texture2dGroupToXml(grp: Texture2DGroup): any;
/** Build <colorgroup> element */
export declare function colorGroupToXml(grp: ColorGroup): any;
/** Build <compositematerials> element */
export declare function compositeMaterialsToXml(grp: CompositeMaterials): any;
/** Build <multiproperties> element */
export declare function multiPropertiesToXml(mp: MultiProperties): any;
/** Build <pbspeculardisplayproperties> element */
export declare function pbSpecularDisplayPropertiesToXml(dp: PBSpecularDisplayProperties): any;
/** Build <translucentdisplayproperties> element */
export declare function translucentDisplayPropertiesToXml(dp: TranslucentDisplayProperties): any;
/** Build <pbmetallicdisplayproperties> element */
export declare function pbMetallicDisplayPropertiesToXml(dp: PBMetallicDisplayProperties): any;
/** Build <pbspeculartexturedisplayproperties> element */
export declare function pbSpecularTextureDisplayPropertiesToXml(dp: PBSpecularTextureDisplayProperties): any;
/** Build <pbmetallictexturedisplayproperties> element */
export declare function pbMetallicTextureDisplayPropertiesToXml(dp: PBMetallicTextureDisplayProperties): any;
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