@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getFirstName() != null)
            sb.append("FirstName: ").append("***Sensitive Data Redacted***").append(",");
        if (getLastName() != null)
            sb.append("LastName: ").append("***Sensitive Data Redacted***").append(",");
        if (getEmail() != null)
            sb.append("Email: ").append("***Sensitive Data Redacted***").append(",");
        if (getSecondaryEmail() != null)
            sb.append("SecondaryEmail: ").append("***Sensitive Data Redacted***").append(",");
        if (getMobile() != null)
            sb.append("Mobile: ").append(getMobile());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/UserIdentityInfo.java