Add Throwable Methods

src/Potter/Throwable/AbstractThrowable.php

@@ -4,9 +4,16 @@ declare(strict_types=1);
 
 namespace Potter\Throwable;
 
+use \Throwable as BaseThrowable;
 use \Exception;
 
 abstract class AbstractThrowable extends Exception implements ThrowableInterface
 {
-
+    abstract public function getMessage(): string;
+    abstract public function getCode(): int;
+    abstract public function getFile(): string;
+    abstract public function getLine(): int;
+    abstract public function getTrace(): array;
+    abstract public function getTraceAsString(): string;
+    abstract public function getPrevious(): ?BaseThrowable;
 }

src/Potter/Throwable/Throwable.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Throwable;
+
+abstract class Throwable extends AbstractThrowable
+{
+
+}

src/Potter/Throwable/ThrowableInterface.php

@@ -4,9 +4,16 @@ declare(strict_types=1);
 
 namespace Potter\Throwable;
 
+use \Throwable as BaseThrowable;
 use \Potter\Stringable\StringableInterface;
 
 interface ThrowableInterface extends StringableInterface
 {
-
-}
+    public function getMessage(): string;
+    public function getCode(): int;
+    public function getFile(): string;
+    public function getLine(): int;
+    public function getTrace(): array;
+    public function getTraceAsString(): string;
+    public function getPrevious(): ?BaseThrowable;
+}