Sceneform SDK for Android was open sourced and archived (github.com/google-ar/sceneform-android-sdk) with version 1.16.0.
This site (developers.google.com/sceneform) serves as the documentation archive for the previous version, Sceneform SDK for Android 1.15.0.
Do not use version 1.17.0 of the Sceneform Maven artifacts.
The 1.17.1 Maven artifacts can be used. Other than the version, however, the 1.17.1 artifacts are identical to the 1.15.0 artifacts.

ViewRenderable.HorizontalAlignment

AI-generated Key Takeaways

ViewRenderable.HorizontalAlignment controls how a ViewRenderable is horizontally positioned relative to its parent Node.
The alignment options are LEFT, CENTER (default), and RIGHT.
This enum inherits methods from java.lang.Enum, java.lang.Object, and java.lang.Comparable.

public static final enum ViewRenderable.HorizontalAlignment

Controls the horizontal alignment of the ViewRenderable relative to the Node it is attached to. The default value is CENTER.

From class java.lang.Enum

final Object	clone()
final int	compareTo(ViewRenderable.HorizontalAlignment arg0)
int	compareTo(Object arg0)
final boolean	equals(Object arg0)
final void	finalize()
final Class<ViewRenderable.HorizontalAlignment>	getDeclaringClass()
final int	hashCode()
final String	name()
final int	ordinal()
String	toString()
static <T extends Enum<T>> T	valueOf(Class<T> arg0, String arg1)

From class java.lang.Object

From interface java.lang.Comparable

abstract int

compareTo(ViewRenderable.HorizontalAlignment arg0)