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 com.datastax.dse.driver.api.querybuilder.schema;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.api.core.type.DataTypes;
  import com.datastax.oss.driver.api.querybuilder.SchemaBuilder;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  public interface CreateDseFunctionWithNullOption {
    /**
     * Adds RETURNS to the create function specification. This is used to specify what type is
     * returned from the function.
     *
     * <p>To create the data type, use the constants and static methods in {@link DataTypes}, or
     * {@link SchemaBuilder#udt(CqlIdentifier, boolean)}.
     */
    @NonNull
    CreateDseFunctionWithType returnsType(@NonNull DataType dataType);
  }
  