return@firstOrNull true
      } catch (_: Exception) {
        return@firstOrNull false
      }
    }
  }

  override fun equals(other: Any?): Boolean {
    return other === this ||
      (other is BasicTrustRootIndex && other.subjectToCaCerts == subjectToCaCerts)
  }

  override fun hashCode(): Int {
    return subjectToCaCerts.hashCode()
  }