content: /*
   * 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.
   */
  package org.apache.beam.sdk.schemas.annotations;
  
  import java.lang.annotation.Documented;
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * When used on a POJO field or a JavaBean getter, that field or getter is ignored from the inferred
   * schema.
   *
   * <p>For example, a Java POJO with a field that we don't want included in the schema:
   *
   * <pre><code>
   *  {@literal @}DefaultSchema(JavaBeanSchema.class)
   *   class MyClass {
   *     public String user;
   *     public int age;
   *
   *    {@literal @}SchemaIgnore
   *     public String pleaseDontAddToSchema;
   *   }
   * </code></pre>
   *
   * <p>In this case, the {@code pleaseDontAddToSchema} will be excluded from the schema, and
   * implicitly dropped from calculations.
   */
  @Documented
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ElementType.FIELD, ElementType.METHOD})
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public @interface SchemaIgnore {}
  