--- /dev/null
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+import { Null } from '../type';
+import { Builder } from '../builder';
+
+/** @ignore */
+export class NullBuilder<TNull = any> extends Builder<Null, TNull> {
+ // @ts-ignore
+ public setValue(index: number, value: null) {}
+ public setValid(index: number, valid: boolean) {
+ this.length = Math.max(index + 1, this.length);
+ return valid;
+ }
+}