Method from

java/dagger/internal/codegen/SetType.java:107–110

Returns a SetType for type. @throws IllegalArgumentException if type is not a Set type

(TypeMirror type)

   * @throws IllegalArgumentException if {@code type} is not a {@link Set} type
   */
  static SetType from(TypeMirror type) {
    checkArgument(isSet(type), "%s must be a Set", type);
    return new AutoValue_SetType(MoreTypes.equivalence().wrap(MoreTypes.asDeclared(type)));
  }

  /**
   * Returns a {@link SetType} for {@code key}'s {@link Key#type() type}.