title: Spring boot 2 yaml property work but highlights in IDE
body: <p>I have yaml config in my Spring boot app with my properties:</p>
  
  <pre><code>#app configs
  my.messages.max_count: 5
  my.messages.delay: 100
  my.schedulers.charge_delay: 5000
  </code></pre>
  
  <p>It work but IntellijIDE highlights this lines and say:</p>
  
  <pre><code>Cannot resolve configuration property 'my.schedulers.charge_delay' less... (Ctrl+F1) 
  Checks Spring Boot application .yaml configuration files. Highlights unresolved and deprecated configuration keys and invalid values. Works only for Spring Boot 1.2 or higher
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/iEoqx.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iEoqx.png" alt="enter image description here"></a></p>
  
  <p><a href="https://i.stack.imgur.com/pcJRE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pcJRE.png" alt="enter image description here"></a></p>