<?php

namespace Symfony\Component\Config\Definition\Builder;

/**
 * @template T of 'variable'|'scalar'|'boolean'|'integer'|'float'|'enum'|'array'
 */
class TreeBuilder implements NodeParentInterface
{
  /**
   * @param T $type
   */
  public function __construct(string $name, string $type = 'array', NodeBuilder $builder = null) {}

  /**
   * @psalm-return (
   *    T is 'variable' ? VariableNodeDefinition
   *    : T is 'scalar' ? ScalarNodeDefinition
   *    : T is 'boolean' ? BooleanNodeDefinition
   *    : T is 'integer' ? IntegerNodeDefinition
   *    : T is 'float' ? FloatNodeDefinition
   *    : T is 'enum' ? EnumNodeDefinition
   *    : ArrayNodeDefinition
   * )
   * @see NodeBuilder
   */
  public function getRootNode(): NodeDefinition {}
}