kotlin.text.MatcherMatchResult -> ek1:
# {"id":"sourceFile","fileName":"Regex.kt"}
    java.util.regex.Matcher matcher -> a
    java.lang.CharSequence input -> b
    kotlin.text.MatchGroupCollection groups -> c
      # {"id":"com.android.tools.r8.residualsignature","signature":"Ldk1;"}
    4:10:void <init>(java.util.regex.Matcher,java.lang.CharSequence):373:373 -> <init>
    11:19:void <init>(java.util.regex.Matcher,java.lang.CharSequence):380:380 -> <init>
