public SpekeKeyProvider withDrmSystems(String... drmSystems) {
        if (this.drmSystems == null) {
            setDrmSystems(new java.util.ArrayList<String>(drmSystems.length));
        }
        for (String ele : drmSystems) {
            this.drmSystems.add(ele);
        }
        return this;
    }
<p>
The DRM solution provider you're using to protect your content during distribution.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setDrmSystems(java.util.Collection)} or {@link #withDrmSystems(java.util.Collection)} if you want to
override the existing values.
</p>

@param drmSystems
       The DRM solution provider you're using to protect your content during distribution.
@return Returns a reference to this object so that method calls can be chained together.
@see DrmSystem
aws-java-sdk-mediapackagev2/src/main/java/com/amazonaws/services/mediapackagev2/model/SpekeKeyProvider.java