androidx.camera.core.impl.LiveDataObservable$Result -> wx3:
# {"id":"sourceFile","fileName":"LiveDataObservable.java"}
    java.lang.Object mValue -> a
    1:3:void <init>(java.lang.Object,java.lang.Throwable):199:199 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Ltj0;)V"}
    4:6:void <init>(java.lang.Object,java.lang.Throwable):200:200 -> <init>
    1:23:java.lang.String toString():251:251 -> toString
    24:36:java.lang.String toString():252:252 -> toString
