public void setUserProficiencies(java.util.Collection<UserProficiency> userProficiencies) {
        if (userProficiencies == null) {
            this.userProficiencies = null;
            return;
        }

        this.userProficiencies = new java.util.ArrayList<UserProficiency>(userProficiencies);
    }
<p>
The proficiencies to associate with the user.
</p>

@param userProficiencies
       The proficiencies to associate with the user.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/AssociateUserProficienciesRequest.java