import { FrontFace } from '../enums';
import { ModelBuilderChannelMap } from '../model/ModelBuilderChannel';
/**
 * Recalculates the tangents for each vertex
 *
 * @public
 * @remarks channels must contain a `normal` a `texture` and a `tangent` channel
 */
export declare function calculateTangents(indices: ReadonlyArray<number>, channels: ModelBuilderChannelMap, vCount: number, frontFace?: FrontFace): void;
//# sourceMappingURL=calculateTangents.d.ts.map