jtBaseApp/node_modules/@cesium/engine/Source/Shaders/Builtin/Constants/passVoxels.glsl

/**
 * The automatic GLSL constant for {@link Pass#VOXELS}
 *
 * @name czm_passVoxels
 * @glslConstant
 *
 * @see czm_pass
 */
const float czm_passVoxels = 9.0;