ld, the <code>ngMessages</code> and
<code>ngMessage</code> directives are designed to handle the complexity, inheritance and priority
sequencing based on the order of how the messages are defined in the template.</p>
<p>Currently, the ngMessages module only contains the code for the <code>ngMessages</code>, <code>ngMessagesInclude</code>
<code>ngMessage</code> and <code>ngMessageExp</code> directives.</p>
<h1 id="usage">Usage</h1>
<p>The <code>ngMessages</code> directive allows keys in a key/value collectio