/**
 * based on code from THREE.js
 * Prior to calling this function, normals need to be set to 0
 * @param {Array.<number>|Float32Array} positions
 * @param {Array.<number>|Float32Array} normals
 * @param {Array.<number>|Uint32Array|Uint16Array|Uint8Array} indices
 */
export function geometry_compute_vertex_normals_indexed(positions: Array<number> | Float32Array, normals: Array<number> | Float32Array, indices: Array<number> | Uint32Array | Uint16Array | Uint8Array): void;
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