com.abovevacant.epitaph.core.BacktraceFrame -> mm:
# {"id":"sourceFile","fileName":"BacktraceFrame.java"}
    long pc -> a
    java.lang.String functionName -> b
    java.lang.String fileName -> c
    1:3:void <init>(long,long,long,java.lang.String,long,java.lang.String,long,java.lang.String):38:38 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(JLjava/lang/String;Ljava/lang/String;)V"}
    4:5:void <init>(long,long,long,java.lang.String,long,java.lang.String,long,java.lang.String):40:40 -> <init>
    6:7:void <init>(long,long,long,java.lang.String,long,java.lang.String,long,java.lang.String):42:42 -> <init>
    8:10:void <init>(long,long,long,java.lang.String,long,java.lang.String,long,java.lang.String):44:44 -> <init>
