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.

Texture.Usage

public static final enum Texture.Usage

Type of Texture usage.

From class java.lang.Enum

final Object	clone()
final int	compareTo(Texture.Usage arg0)
int	compareTo(Object arg0)
final boolean	equals(Object arg0)
final void	finalize()
final Class<Texture.Usage>	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(Texture.Usage arg0)

Enum Values

Texture contains a color map

Texture contains arbitrary data

Texture contains a normal map