public boolean isCategory1() {
    return type.getType().isCategory1();
  }
Gets whether this instance's type is category 1. This is just a convenient shorthand for {@code
getType().isCategory1()}.

@return whether or not this instance's type is of category 1
@see #getCategory
@see #isCategory2
android/android_framework/dex-maker/src/main/java/com/android/dx/rop/code/RegisterSpec.java