public void setActiveTrustedSigners(ActiveTrustedSigners activeTrustedSigners) {
        this.activeTrustedSigners = activeTrustedSigners;
    }
<important>
<p>
We recommend using <code>TrustedKeyGroups</code> instead of <code>TrustedSigners</code>.
</p>
</important>
<p>
This field contains a list of Amazon Web Services account IDs and the active CloudFront key pairs in each account
that CloudFront can use to verify the signatures of signed URLs or signed cookies.
</p>

@param activeTrustedSigners
       <p>
       We recommend using <code>TrustedKeyGroups</code> instead of <code>TrustedSigners</code>.
       </p>
       </important>
       <p>
       This field contains a list of Amazon Web Services account IDs and the active CloudFront key pairs in each
       account that CloudFront can use to verify the signatures of signed URLs or signed cookies.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/Distribution.java