Given the following configuration class and properties, what will be the value of appProperties.getTimeout()?

Given the following configuration class and properties, what will be the value of appProperties.getTimeout()?

application.yml:
app:
  timeout: 5000

Java class:
@ConfigurationProperties(prefix = "app")
public class AppProperties {
    private int timeout;
    public int getTimeout() { return timeout; }
    public void setTimeout(int timeout) { this.timeout = timeout; }
}