## Keep `Companion` object fields of serializable classes.
## This avoids serializer lookup through `getDeclaredClasses` as done for named companion objects.
#-if @kotlinx.serialization.Serializable class **
#-keepclassmembers class <1> {
#    static <1>$Companion Companion;
#}
#
## Keep `serializer()` on companion objects (both default and named) of serializable classes.
#-if @kotlinx.serialization.Serializable class ** {
#    static **$* *;
#}
#-keepclassmembers class <2>$<3> {
#    kotlinx.serialization.KSerializer serializer(...);
#}
#
## Keep `INSTANCE.serializer()` of serializable objects.
#-if @kotlinx.serialization.Serializable class ** {
#    public static ** INSTANCE;
#}
#-keepclassmembers class <1> {
#    public static <1> INSTANCE;
#    kotlinx.serialization.KSerializer serializer(...);
#}
#
## @Serializable and @Polymorphic are used at runtime for polymorphic serialization.
#-keepattributes RuntimeVisibleAnnotations,AnnotationDefault
#
#-keepnames class <1>$$serializer { # -keepnames suffices; class is kept when serializer() is kept.
#    static <1>$$serializer INSTANCE;
#}

# Uncomment this to preserve the line number information for
# debugging stack traces.
-keepattributes SourceFile,LineNumberTable

# Repackage classes into the top-level.
-repackageclasses

# Amount of optimization iterations, taken from an SO post
-optimizationpasses 5

# Broaden access modifiers to increase results during optimization
-allowaccessmodification