diff --git a/google-cloud-storage/src/main/java/com/google/cloud/storage/StorageV2ProtoUtils.java b/google-cloud-storage/src/main/java/com/google/cloud/storage/StorageV2ProtoUtils.java
index 0bc8e8e121..bffa932b13 100644
--- a/google-cloud-storage/src/main/java/com/google/cloud/storage/StorageV2ProtoUtils.java
+++ b/google-cloud-storage/src/main/java/com/google/cloud/storage/StorageV2ProtoUtils.java
@@ -16,13 +16,22 @@
 
 package com.google.cloud.storage;
 
-import com.google.protobuf.InvalidProtocolBufferException;
+import com.google.protobuf.ByteString;
 import com.google.protobuf.MessageOrBuilder;
-import com.google.protobuf.util.JsonFormat;
-import com.google.protobuf.util.JsonFormat.Printer;
+import com.google.protobuf.TextFormat;
+import com.google.storage.v2.BidiReadObjectResponse;
+import com.google.storage.v2.BidiWriteObjectRequest;
 import com.google.storage.v2.BucketAccessControl;
+import com.google.storage.v2.ChecksummedData;
 import com.google.storage.v2.ObjectAccessControl;
+import com.google.storage.v2.ObjectRangeData;
 import com.google.storage.v2.ReadObjectRequest;
+import com.google.storage.v2.ReadObjectResponse;
+import com.google.storage.v2.WriteObjectRequest;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.function.Function;
 import java.util.function.Predicate;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
@@ -31,9 +40,6 @@ final class StorageV2ProtoUtils {
   private static final String VALIDATION_TEMPLATE =
       "offset >= 0 && limit >= 0 (%s >= 0 && %s >= 0)";
 
-  private static final Printer PROTO_PRINTER =
-      JsonFormat.printer().omittingInsignificantWhitespace().preservingProtoFieldNames();
-
   private StorageV2ProtoUtils() {}
 
   // TODO: can we eliminate this method all together?
@@ -53,13 +59,120 @@ static ReadObjectRequest seekReadObjectRequest(
     return req;
   }
 
+  @FunctionalInterface
+  interface MsgFmt extends Function<MessageOrBuilder, String> {}
+
+  @NonNull
+  public static String fmtProto(@NonNull Object obj) {
+    return fmtProtoWithFmt(obj, TextFormat.printer()::shortDebugString);
+  }
+
+  @NonNull
+  public static String fmtProtoWithFmt(@NonNull Object obj, MsgFmt fmt) {
+    if (obj instanceof WriteObjectRequest) {
+      return fmtProtoWithFmt((WriteObjectRequest) obj, fmt);
+    } else if (obj instanceof BidiWriteObjectRequest) {
+      return fmtProtoWithFmt((BidiWriteObjectRequest) obj, fmt);
+    } else if (obj instanceof ReadObjectResponse) {
+      return fmtProtoWithFmt((ReadObjectResponse) obj, fmt);
+    } else if (obj instanceof BidiReadObjectResponse) {
+      return fmtProtoWithFmt((BidiReadObjectResponse) obj, fmt);
+    } else if (obj instanceof ChecksummedData) {
+      return fmtProtoWithFmt((ChecksummedData) obj, fmt);
+    } else if (obj instanceof MessageOrBuilder) {
+      return fmt.apply((MessageOrBuilder) obj);
+    } else {
+      return obj.toString();
+    }
+  }
+
+  @NonNull
+  private static String fmtProtoWithFmt(ChecksummedData data, MsgFmt fmt) {
+    ByteString content = data.getContent();
+    if (content.size() > 20) {
+      ChecksummedData.Builder b = data.toBuilder();
+      ByteString trim = snipBytes(content);
+      b.setContent(trim);
+
+      return fmt.apply(b.build());
+    }
+    return fmt.apply(data);
+  }
+
   @NonNull
-  static String fmtProto(@NonNull final MessageOrBuilder msg) {
-    try {
-      return PROTO_PRINTER.print(msg);
-    } catch (InvalidProtocolBufferException e) {
-      throw new RuntimeException(e);
+  private static String fmtProtoWithFmt(@NonNull WriteObjectRequest msg, MsgFmt fmt) {
+    if (msg.hasChecksummedData()) {
+      ByteString content = msg.getChecksummedData().getContent();
+      if (content.size() > 20) {
+        WriteObjectRequest.Builder b = msg.toBuilder();
+        ByteString trim = snipBytes(content);
+        b.getChecksummedDataBuilder().setContent(trim);
+
+        return fmt.apply(b.build());
+      }
     }
+    return fmt.apply(msg);
+  }
+
+  @NonNull
+  private static String fmtProtoWithFmt(@NonNull BidiWriteObjectRequest msg, MsgFmt fmt) {
+    if (msg.hasChecksummedData()) {
+      ByteString content = msg.getChecksummedData().getContent();
+      if (content.size() > 20) {
+        BidiWriteObjectRequest.Builder b = msg.toBuilder();
+        ByteString trim = snipBytes(content);
+        b.getChecksummedDataBuilder().setContent(trim);
+
+        return fmt.apply(b.build());
+      }
+    }
+    return fmt.apply(msg);
+  }
+
+  @NonNull
+  private static String fmtProtoWithFmt(@NonNull ReadObjectResponse msg, MsgFmt fmt) {
+    if (msg.hasChecksummedData()) {
+      ByteString content = msg.getChecksummedData().getContent();
+      if (content.size() > 20) {
+        ReadObjectResponse.Builder b = msg.toBuilder();
+        ByteString trim = snipBytes(content);
+        b.getChecksummedDataBuilder().setContent(trim);
+
+        return fmt.apply(b.build());
+      }
+    }
+    return fmt.apply(msg);
+  }
+
+  @NonNull
+  private static String fmtProtoWithFmt(@NonNull BidiReadObjectResponse msg, MsgFmt fmt) {
+    List<ObjectRangeData> rangeData = msg.getObjectDataRangesList();
+    if (!rangeData.isEmpty()) {
+      List<ObjectRangeData> snips = new ArrayList<>();
+      for (ObjectRangeData rd : rangeData) {
+        if (rd.hasChecksummedData()) {
+          ByteString content = rd.getChecksummedData().getContent();
+          if (content.size() > 20) {
+            ObjectRangeData.Builder b = rd.toBuilder();
+            ByteString trim = snipBytes(content);
+            b.getChecksummedDataBuilder().setContent(trim);
+            snips.add(b.build());
+          } else {
+            snips.add(rd);
+          }
+        }
+      }
+      BidiReadObjectResponse snipped =
+          msg.toBuilder().clearObjectDataRanges().addAllObjectDataRanges(snips).build();
+      return fmt.apply(snipped);
+    }
+    return fmt.apply(msg);
+  }
+
+  private static ByteString snipBytes(ByteString content) {
+    ByteString snip =
+        ByteString.copyFromUtf8(java.lang.String.format(Locale.US, "<snip (%d)>", content.size()));
+    return content.substring(0, 20).concat(snip);
   }
 
   /**
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/PackagePrivateMethodWorkarounds.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/PackagePrivateMethodWorkarounds.java
index b3f45526f6..2b3dce86f6 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/PackagePrivateMethodWorkarounds.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/PackagePrivateMethodWorkarounds.java
@@ -23,6 +23,7 @@
 import com.google.cloud.storage.OtelStorageDecorator.OtelDecoratedReadChannel;
 import com.google.cloud.storage.OtelStorageDecorator.OtelDecoratedWriteChannel;
 import com.google.common.collect.ImmutableList;
+import com.google.protobuf.MessageOrBuilder;
 import com.google.storage.v2.StorageClient;
 import java.util.Optional;
 import java.util.concurrent.ExecutionException;
@@ -134,4 +135,8 @@ public static <T1, T2> void ifNonNull(@Nullable T1 t, Function<T1, T2> map, Cons
   public static BlobInfo noAcl(BlobInfo bi) {
     return bi.toBuilder().setOwner(null).setAcl(ImmutableList.of()).build();
   }
+
+  public static String fmtProto(Object msg, Function<MessageOrBuilder, String> fmt) {
+    return StorageV2ProtoUtils.fmtProtoWithFmt(msg, fmt::apply);
+  }
 }
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/it/GrpcPlainRequestLoggingInterceptor.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/it/GrpcPlainRequestLoggingInterceptor.java
index 5c55cb8613..b39f6dd1c4 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/it/GrpcPlainRequestLoggingInterceptor.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/it/GrpcPlainRequestLoggingInterceptor.java
@@ -17,22 +17,16 @@
 package com.google.cloud.storage.it;
 
 import com.google.api.gax.grpc.GrpcInterceptorProvider;
+import com.google.cloud.storage.PackagePrivateMethodWorkarounds;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableList;
 import com.google.protobuf.Any;
-import com.google.protobuf.ByteString;
 import com.google.protobuf.InvalidProtocolBufferException;
 import com.google.protobuf.Message;
-import com.google.protobuf.MessageOrBuilder;
 import com.google.protobuf.TextFormat;
 import com.google.protobuf.UnsafeByteOperations;
 import com.google.rpc.DebugInfo;
 import com.google.rpc.ErrorInfo;
-import com.google.storage.v2.BidiReadObjectResponse;
-import com.google.storage.v2.BidiWriteObjectRequest;
-import com.google.storage.v2.ObjectRangeData;
-import com.google.storage.v2.ReadObjectResponse;
-import com.google.storage.v2.WriteObjectRequest;
 import io.grpc.CallOptions;
 import io.grpc.Channel;
 import io.grpc.ClientCall;
@@ -43,7 +37,6 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.Status;
 import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -159,101 +152,8 @@ public void sendMessage(ReqT message) {
   }
 
   @NonNull
-  static String fmtProto(@NonNull Object obj) {
-    if (obj instanceof WriteObjectRequest) {
-      return fmtProto((WriteObjectRequest) obj);
-    } else if (obj instanceof BidiWriteObjectRequest) {
-      return fmtProto((BidiWriteObjectRequest) obj);
-    } else if (obj instanceof ReadObjectResponse) {
-      return fmtProto((ReadObjectResponse) obj);
-    } else if (obj instanceof BidiReadObjectResponse) {
-      return fmtProto((BidiReadObjectResponse) obj);
-    } else if (obj instanceof MessageOrBuilder) {
-      return fmtProto((MessageOrBuilder) obj);
-    } else {
-      return obj.toString();
-    }
-  }
-
-  @NonNull
-  static String fmtProto(@NonNull final MessageOrBuilder msg) {
-    return TextFormat.printer().printToString(msg);
-  }
-
-  @NonNull
-  static String fmtProto(@NonNull WriteObjectRequest msg) {
-    if (msg.hasChecksummedData()) {
-      ByteString content = msg.getChecksummedData().getContent();
-      if (content.size() > 20) {
-        WriteObjectRequest.Builder b = msg.toBuilder();
-        ByteString trim = snipBytes(content);
-        b.getChecksummedDataBuilder().setContent(trim);
-
-        return fmtProto((MessageOrBuilder) b.build());
-      }
-    }
-    return fmtProto((MessageOrBuilder) msg);
-  }
-
-  @NonNull
-  static String fmtProto(@NonNull BidiWriteObjectRequest msg) {
-    if (msg.hasChecksummedData()) {
-      ByteString content = msg.getChecksummedData().getContent();
-      if (content.size() > 20) {
-        BidiWriteObjectRequest.Builder b = msg.toBuilder();
-        ByteString trim = snipBytes(content);
-        b.getChecksummedDataBuilder().setContent(trim);
-
-        return fmtProto((MessageOrBuilder) b.build());
-      }
-    }
-    return fmtProto((MessageOrBuilder) msg);
-  }
-
-  @NonNull
-  static String fmtProto(@NonNull ReadObjectResponse msg) {
-    if (msg.hasChecksummedData()) {
-      ByteString content = msg.getChecksummedData().getContent();
-      if (content.size() > 20) {
-        ReadObjectResponse.Builder b = msg.toBuilder();
-        ByteString trim = snipBytes(content);
-        b.getChecksummedDataBuilder().setContent(trim);
-
-        return fmtProto((MessageOrBuilder) b.build());
-      }
-    }
-    return msg.toString();
-  }
-
-  @NonNull
-  public static String fmtProto(@NonNull BidiReadObjectResponse msg) {
-    List<ObjectRangeData> rangeData = msg.getObjectDataRangesList();
-    if (!rangeData.isEmpty()) {
-      List<ObjectRangeData> snips = new ArrayList<>();
-      for (ObjectRangeData rd : rangeData) {
-        if (rd.hasChecksummedData()) {
-          ByteString content = rd.getChecksummedData().getContent();
-          if (content.size() > 20) {
-            ObjectRangeData.Builder b = rd.toBuilder();
-            ByteString trim = snipBytes(content);
-            b.getChecksummedDataBuilder().setContent(trim);
-            snips.add(b.build());
-          } else {
-            snips.add(rd);
-          }
-        }
-      }
-      BidiReadObjectResponse snipped =
-          msg.toBuilder().clearObjectDataRanges().addAllObjectDataRanges(snips).build();
-      return fmtProto((MessageOrBuilder) snipped);
-    }
-    return fmtProto((MessageOrBuilder) msg);
-  }
-
-  private static ByteString snipBytes(ByteString content) {
-    ByteString snip =
-        ByteString.copyFromUtf8(String.format(Locale.US, "<snip (%d)>", content.size()));
-    return content.substring(0, 20).concat(snip);
+  public static String fmtProto(@NonNull Object obj) {
+    return PackagePrivateMethodWorkarounds.fmtProto(obj, TextFormat.printer()::printToString);
   }
 
   // Suppress DataFlowIssue warnings for this method.