message: Remove # private form errorFormat
diff: @@ -514,13 +514,13 @@ ${this.jsDoc}
  const engineConfig = internal.engine || {}
  if (options.errorFormat) {
  - this.#errorFormat = options.errorFormat
  + this.errorFormat = options.errorFormat
  } else if (process.env.NODE_ENV === 'production') {
  - this.#errorFormat = 'minimal'
  + this.errorFormat = 'minimal'
  } else if (process.env.NO_COLOR) {
  - this.#errorFormat = 'colorless'
  + this.errorFormat = 'colorless'
  } else {
  - this.#errorFormat = 'pretty'
  + this.errorFormat = 'pretty'
  }
  this.#measurePerformance = internal.measurePerformance || false
  