Method validate

src/construct.ts:457–459

* Validates this construct. * * Invokes the `validate()` method on all validations added through * `addValidation()`. * * @returns an array of validation error messages associated with this * construct.

()

   * construct.
   */
  public validate(): string[] {
    return (this._validations ?? []).flatMap(v => v.validate());
  }

  /**
   * Locks this construct from allowing more children to be added. After this