chore: Fix lint issues

Author: lqiu96

google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/BigQueryImpl.java

@@ -2067,7 +2067,8 @@ && getOptions().getOpenTelemetryTracer() != null) {
     try (Scope queryScope = querySpan != null ? querySpan.makeCurrent() : null) {
       // If all parameters passed in configuration are supported by the query() method on the
       // backend, put on fast path
-      QueryRequestInfo requestInfo = new QueryRequestInfo(configuration, getOptions().getDataFormatOptions());
+      QueryRequestInfo requestInfo =
+          new QueryRequestInfo(configuration, getOptions().getDataFormatOptions());
       if (requestInfo.isFastQuerySupported(jobId)) {
         // Be careful when setting the projectID in JobId, if a projectID is specified in the JobId,
         // the job created by the query method will use that project. This may cause the query to

google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/BigQueryOptions.java

@@ -230,7 +230,8 @@ public void setThrowNotFound(boolean setThrowNotFound) {
    * Builder#setDataFormatOptions(DataFormatOptions)} to set the int64timestamp configuration
    * instead.
    *
-   * <p>If useInt64Timestamps is set via DataFormatOptions, then that value will be used.
+   * <p>If useInt64Timestamps is set via DataFormatOptions, then that value in DataFormatOptions
+   * will be used.
    *
    * <p>{@code DataFormatOptions.newBuilder().setUseInt64Timestamp(...).build()}
    */
@@ -251,8 +252,9 @@ public boolean getThrowNotFound() {
   }
 
   /**
-   * This getter is marked as Obsolete. Prefer {@link #getDataFormatOptions().isUseInt64Timestamp()}
-   * to set the int64timestamp configuration instead.
+   * This getter is marked as Obsolete. Prefer {@link
+   * DataFormatOptions.Builder#useInt64Timestamp(boolean)} to set the int64timestamp configuration
+   * instead.
    */
   @ObsoleteApi("Use getDataFormatOptions().isUseInt64Timestamp() instead")
   public boolean getUseInt64Timestamps() {

google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/DataFormatOptions.java

@@ -16,9 +16,8 @@
 package com.google.cloud.bigquery;
 
 import com.google.auto.value.AutoValue;
-import org.jspecify.annotations.Nullable;
-
 import java.io.Serializable;
+import javax.annotation.Nullable;
 
 /**
  * Google BigQuery DataFormatOptions. Configures the output format for data types returned from
@@ -50,8 +49,7 @@ public String toString() {
   public abstract TimestampFormatOptions timestampFormatOptions();
 
   public static Builder newBuilder() {
-    return new AutoValue_DataFormatOptions.Builder()
-        .useInt64Timestamp(false);
+    return new AutoValue_DataFormatOptions.Builder().useInt64Timestamp(false);
   }
 
   public abstract Builder toBuilder();
@@ -85,9 +83,14 @@ com.google.api.services.bigquery.model.DataFormatOptions toPb() {
   }
 
   DataFormatOptions fromPb(com.google.api.services.bigquery.model.DataFormatOptions request) {
-    return new AutoValue_DataFormatOptions.Builder()
-        .useInt64Timestamp(request.getUseInt64Timestamp())
-        .timestampFormatOptions(TimestampFormatOptions.valueOf(request.getTimestampOutputFormat()))
-        .build();
+    AutoValue_DataFormatOptions.Builder builder = new AutoValue_DataFormatOptions.Builder();
+    if (request.getUseInt64Timestamp() != null) {
+      builder.useInt64Timestamp(request.getUseInt64Timestamp());
+    }
+    if (request.getTimestampOutputFormat() != null) {
+      builder.timestampFormatOptions(
+          TimestampFormatOptions.valueOf(request.getTimestampOutputFormat()));
+    }
+    return builder.build();
   }
 }

google-cloud-bigquery/src/test/java/com/google/cloud/bigquery/QueryRequestInfoTest.java

@@ -195,7 +195,9 @@ public void testInt64Timestamp() {
     assertFalse(requestPb.getFormatOptions().getUseInt64Timestamp());
 
     QueryRequestInfo requestInfoLosslessTs =
-        new QueryRequestInfo(QUERY_JOB_CONFIGURATION, DataFormatOptions.newBuilder().useInt64Timestamp(true).build());
+        new QueryRequestInfo(
+            QUERY_JOB_CONFIGURATION,
+            DataFormatOptions.newBuilder().useInt64Timestamp(true).build());
     QueryRequest requestLosslessTsPb = requestInfoLosslessTs.toPb();
     assertTrue(requestLosslessTsPb.getFormatOptions().getUseInt64Timestamp());
   }