declare var _default: "vec4 getSample(vec4 xyzw);\n\nfloat floatStretch(vec4 xyzw, float channelIndex) {\n  vec4 sample = getSample(xyzw);\n  vec2 xy = channelIndex > 1.5 ? sample.zw : sample.xy;\n  return mod(channelIndex, 2.0) > .5 ? xy.y : xy.x;\n}";
export default _default;