public void setTrailProperties(java.util.Collection<TrailProperties> trailProperties) {
        if (trailProperties == null) {
            this.trailProperties = null;
            return;
        }

        this.trailProperties = new java.util.ArrayList<TrailProperties>(trailProperties);
    }
<p>
A <code>TrailProperties</code> object that contains settings for trail properties.
</p>

@param trailProperties
       A <code>TrailProperties</code> object that contains settings for trail properties.
aws-java-sdk-accessanalyzer/src/main/java/com/amazonaws/services/accessanalyzer/model/CloudTrailProperties.java