Attributes constructor Null safety

Attributes(
  1. String volume,
  2. String chapter,
  3. String title,
  4. String translatedLanguage,
  5. String? externalUrl,
  6. String publishAt,
  7. String readableAt,
  8. String createdAt,
  9. String updatedAt,
  10. int pages,
  11. int version
)

Implementation

Attributes(
    this.volume,
    this.chapter,
    this.title,
    this.translatedLanguage,
    this.externalUrl,
    this.publishAt,
    this.readableAt,
    this.createdAt,
    this.updatedAt,
    this.pages,
    this.version);