content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed 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.activiti.core.el.juel.tree;
  
  import jakarta.el.ELException;
  import java.io.Serializable;
  
  /**
   * Tree builder interface.
   * A tree builder can be used to create arbitrary many trees. Furthermore, a tree builder
   * implementation must be thread-safe.
   *
   * @author Christoph Beck
   */
  public interface TreeBuilder extends Serializable {
      /**
       * Parse the given expression and create an abstract syntax tree for it.
       * @param expression expression string
       * @return tree corresponding to the given expression
       * @throws ELException on parse error
       */
      public Tree build(String expression) throws TreeBuilderException;
  }
  