/**
 *
 * @param {number[]|Float32Array|Float64Array} out
 * @param {number} out_offset
 * @param {number} a
 * @param {number} b
 * @param {number} c
 * @param {number[]|Float32Array} positions
 */
export function geometry_construct_triangle_normal(out: number[] | Float32Array | Float64Array, out_offset: number, a: number, b: number, c: number, positions: number[] | Float32Array): void;
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