class="kw">package com.hypixel.hytale.metrics;

class="kw">import java.util.function.Function;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class="kw">interface MetricProvider {
   @Nullable
   MetricResults toMetricResults();

   @Nonnull
   class="kw">static <T, R> Function<T, MetricProvider> maybe(@Nonnull Function<T, R> var0) {
      class="kw">return var1 -> {
         Object var2 = var0.apply(var1);
         class="kw">return var2 class="kw">instanceof MetricProvider ? (MetricProvider)var2 : null;
      };
   }
}