@Override
    public void read(JmeImporter im) throws IOException {
        InputCapsule ic = im.getCapsule(this);
        for (VertexBuffer.Type type : VertexBuffer.Type.values()) {
            FloatBuffer fb = ic.readFloatBuffer(type.name(), null);
            if (fb != null) {
                setBuffer(type, fb);
            }
        }
        name = ic.readString("morphName", null);
    }
Returns the number of `FloatBuffer`s (i.e., vertex attribute types)
contained within this morph target.

@return The count of buffers in this morph target.
jme3-core/src/main/java/com/jme3/scene/mesh/MorphTarget.java