@Override
  default @NotNull Stream<? extends ExaminableProperty> examinableProperties() {
    return Stream.of(
      ExaminableProperty.of("timestamp", this.timestamp()),
      ExaminableProperty.of("salt", this.salt()),
      ExaminableProperty.of("signature", this.signature()),
      ExaminableProperty.of("unsignedContent", this.unsignedContent()),
      ExaminableProperty.of("message", this.message())
    );
  }
Checks if this message can be deleted via {@link net.kyori.adventure.audience.Audience#deleteMessage(SignedMessage)}.

@return true if supports deletion
@since 4.12.0
@sinceMinecraft 1.19
api/src/main/java/net/kyori/adventure/chat/SignedMessage.java