Add docblocks for classes and interface in Ramsey\Uuid\Codec namespace

src/Codec/CodecInterface.php

@@ -16,24 +16,38 @@ namespace Ramsey\Uuid\Codec;
 
 use Ramsey\Uuid\UuidInterface;
 
+/**
+ * CodecInterface represents a UUID coder-decoder
+ */
 interface CodecInterface
 {
     /**
-     * @return string
+     * Encodes a UuidInterface as a string representation of a UUID
+     *
+     * @param UuidInterface $uuid
+     * @return string Hexadecimal string representation of a UUID
      */
     public function encode(UuidInterface $uuid);
 
     /**
-     * @return string
+     * Encodes a UuidInterface as a binary representation of a UUID
+     *
+     * @param UuidInterface $uuid
+     * @return string Binary string representation of a UUID
      */
     public function encodeBinary(UuidInterface $uuid);
 
     /**
+     * Decodes a string representation of a UUID into a UuidInterface object instance
+     *
+     * @param string $encodedUuid
      * @return UuidInterface
      */
     public function decode($encodedUuid);
 
     /**
+     * Decodes a binary representation of a UUID into a UuidInterface object instance
+     *
      * @param string $bytes
      * @return UuidInterface
      */