create a tree type in typescript

index.ts
class TreeNode<T> {
  public value: T
  public children: TreeNode<T>[]

  constructor(value: T) {
    this.value = value
    this.children = []
  }

  addChild(node: TreeNode<T>): void {
    this.children.push(node)
  }

  removeChild(node: TreeNode<T>): void {
    const index = this.children.indexOf(node)
    if (index !== -1) {
      this.children.splice(index, 1)
    }
  }
}

const root = new TreeNode("Parent")
const child1 = new TreeNode("Child 1")
const child2 = new TreeNode("Child 2")

root.addChild(child1)
root.addChild(child2)

console.log(root)  // Output: TreeNode { value: 'Parent', children: [ TreeNode { value: 'Child 1', children: [] }, TreeNode { value: 'Child 2', children: [] } ] }
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