public void setIdentityIdsToDelete(java.util.Collection<String> identityIdsToDelete) {
        if (identityIdsToDelete == null) {
            this.identityIdsToDelete = null;
            return;
        }

        this.identityIdsToDelete = new java.util.ArrayList<String>(identityIdsToDelete);
    }
<p>
A list of 1-60 identities that you want to delete.
</p>

@param identityIdsToDelete
       A list of 1-60 identities that you want to delete.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/DeleteIdentitiesRequest.java