/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package dev.metaschema.core.metapath.cst;
   
   import java.util.List;
   import java.util.Objects;
  
  import dev.metaschema.core.metapath.IExpression;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * An immutable expression that has a number of sub-expression children.
   */
  public abstract class AbstractNAryExpression
      extends AbstractExpression {
    @NonNull
    private final List<IExpression> children;
  
    /**
     * Construct a new n-ary expression.
     *
     * @param text
     *          the parsed text of the expression
     * @param children
     *          the sub-expression children
     */
    public AbstractNAryExpression(@NonNull String text, @NonNull List<IExpression> children) {
      super(text);
      this.children = Objects.requireNonNull(children);
    }
  
    @Override
    public List<IExpression> getChildren() {
      return children;
    }
  }