# Retrofit
-keepattributes Signature
-keepattributes *Annotation*
-keep class retrofit2.** { *; }
-keepclasseswithmembers class * {
    @retrofit2.http.* <methods>;
}

# Gson
-keep class com.example.emailclient.data.** { *; }
-keepclassmembers class * {
    @com.google.gson.annotations.SerializedName <fields>;
}

# OkHttp
-dontwarn okhttp3.**
-dontwarn okio.**