1 files changed, 4 insertions, 3 deletions
diff --git a/api/src/main/java/io/opencensus/stats/Measurement.java b/api/src/main/java/io/opencensus/stats/Measurement.java
index 954cf43a..2d9dcf02 100644
--- a/api/src/main/java/io/opencensus/stats/Measurement.java
+++ b/api/src/main/java/io/opencensus/stats/Measurement.java
@@ -18,7 +18,7 @@ package io.opencensus.stats;
 
 import com.google.auto.value.AutoValue;
 import io.opencensus.common.Function;
-import io.opencensus.internal.NullnessUtils;
+import io.opencensus.internal.CheckerFrameworkUtils;
 import io.opencensus.stats.Measure.MeasureDouble;
 import io.opencensus.stats.Measure.MeasureLong;
 import javax.annotation.concurrent.Immutable;
@@ -63,7 +63,7 @@ public abstract class Measurement {
         Function<? super MeasurementDouble, T> p0,
         Function<? super MeasurementLong, T> p1,
         Function<? super Measurement, T> defaultFunction) {
-      return NullnessUtils.<MeasurementDouble, T>removeSuperFromFunctionParameterType(p0)
+      return CheckerFrameworkUtils.<MeasurementDouble, T>removeSuperFromFunctionParameterType(p0)
           .apply(this);
     }
   }
@@ -92,7 +92,8 @@ public abstract class Measurement {
         Function<? super MeasurementDouble, T> p0,
         Function<? super MeasurementLong, T> p1,
         Function<? super Measurement, T> defaultFunction) {
-      return NullnessUtils.<MeasurementLong, T>removeSuperFromFunctionParameterType(p1).apply(this);
+      return CheckerFrameworkUtils.<MeasurementLong, T>removeSuperFromFunctionParameterType(p1)
+          .apply(this);
     }
   }
 }