package kha.graphics4; class VertexBuffer { public function new(vertexCount: Int, structure: VertexStructure, usage: Usage, canRead: Bool = false) {} public function lock(?start: Int, ?count: Int): kha.arrays.Float32Array { return null; } public function unlock(?count: Int): Void {} public function count(): Int { return 0; } public function stride(): Int { return 1; } }