@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getAlias() != null)
            sb.append("Alias: ").append(getAlias()).append(",");
        if (getDisplayName() != null)
            sb.append("DisplayName: ").append(getDisplayName()).append(",");
        if (getType() != null)
            sb.append("Type: ").append(getType()).append(",");
        if (getPlan() != null)
            sb.append("Plan: ").append(getPlan()).append(",");
        if (getTags() != null)
            sb.append("Tags: ").append(getTags()).append(",");
        if (getIdempotencyToken() != null)
            sb.append("IdempotencyToken: ").append(getIdempotencyToken());
        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-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/CreateContactRequest.java