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;
  
  /**
   * Function node interface.
   *
   * @author Christoph Beck
   */
  public interface FunctionNode extends Node {
      /**
       * Get the full function name
       */
      public String getName();
  
      /**
       * Get the unique index of this identifier in the expression (e.g. preorder index)
       */
      public int getIndex();
  
      /**
       * Get the number of parameters for this function
       */
      public int getParamCount();
  
      /**
       * @return <code>true</code> if this node supports varargs.
       */
      public boolean isVarArgs();
  }
  