com.google.android.datatransport.runtime.scheduling.persistence.SQLiteEventStore$Metadata -> pc2:
# {"id":"sourceFile","fileName":"SQLiteEventStore.java"}
    java.lang.String key -> a
    java.lang.String value -> b
    1:3:void <init>(java.lang.String,java.lang.String):793:793 -> <init>
    1:3:void <init>(java.lang.String,java.lang.String,com.google.android.datatransport.runtime.scheduling.persistence.SQLiteEventStore$1):789 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Ljava/lang/String;Ljava/lang/String;)V"}
    4:5:void <init>(java.lang.String,java.lang.String):794:794 -> <init>
    4:5:void <init>(java.lang.String,java.lang.String,com.google.android.datatransport.runtime.scheduling.persistence.SQLiteEventStore$1):789 -> <init>
    6:8:void <init>(java.lang.String,java.lang.String):795:795 -> <init>
    6:8:void <init>(java.lang.String,java.lang.String,com.google.android.datatransport.runtime.scheduling.persistence.SQLiteEventStore$1):789 -> <init>
