Make isEmpty public

Author: stevebauman

src/FileMessage.php

@@ -92,7 +92,7 @@ public function bodyPart(string $partNumber, bool $peek = true): ?string
     /**
      * Determine if the message is empty.
      */
-    protected function isEmpty(): bool
+    public function isEmpty(): bool
     {
         return empty($this->contents);
     }

src/HasParsedMessage.php

@@ -249,7 +249,7 @@ public function parse(): IMessage
     /**
      * Determine if the message is empty.
      */
-    abstract protected function isEmpty(): bool;
+    abstract public function isEmpty(): bool;
 
     /**
      * Get the string representation of the message.

src/Message.php

@@ -292,7 +292,7 @@ public function jsonSerialize(): array
     /**
      * Determine if the message is empty.
      */
-    protected function isEmpty(): bool
+    public function isEmpty(): bool
     {
         return ! $this->hasHead() && ! $this->hasBody();
     }

src/Testing/FakeMessage.php

@@ -100,7 +100,7 @@ public function bodyPart(string $partNumber, bool $peek = true): ?string
     /**
      * {@inheritDoc}
      */
-    protected function isEmpty(): bool
+    public function isEmpty(): bool
     {
         return empty($this->contents);
     }