adds EncryptedContentBearer interface

Author: Ndiritu

src/main/java/com/microsoft/graph/core/models/EncryptedContentBearer.java

@@ -0,0 +1,20 @@
+package com.microsoft.graph.core.models;
+
+/**
+ * Contains Decryptable content
+ */
+public interface EncryptedContentBearer<T extends DecryptableContent> {
+
+    /**
+     * Sets encrypted content
+     * @param encryptedContent encrypted content
+     */
+    public void setEncryptedContent(T encryptedContent);
+
+    /**
+     * Return encrypted content
+     * @return encrypted content
+     */
+    public T getEncryptedContent();
+
+}