declare const _default: "\n\n#ifdef STD_REFRACTION_CONSTANT\n    uniform material_refraction: f32;\n#endif\n\nfn getRefraction() {\n    var refraction: f32 = 1.0;\n\n    #ifdef STD_REFRACTION_CONSTANT\n    refraction = uniform.material_refraction;\n    #endif\n\n    #ifdef STD_REFRACTION_TEXTURE\n    refraction = refraction * textureSampleBias({STD_REFRACTION_TEXTURE_NAME}, {STD_REFRACTION_TEXTURE_NAME}Sampler, {STD_REFRACTION_TEXTURE_UV}, uniform.textureBias).{STD_REFRACTION_TEXTURE_CHANNEL};\n    #endif\n\n    #ifdef STD_REFRACTION_VERTEX\n    refraction = refraction * saturate(vVertexColor.{STD_REFRACTION_VERTEX_CHANNEL});\n    #endif\n\n    dTransmission = refraction;\n}\n";
export default _default;