@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getStackSetAccounts() != null)
            sb.append("StackSetAccounts: ").append(getStackSetAccounts()).append(",");
        if (getStackSetRegions() != null)
            sb.append("StackSetRegions: ").append(getStackSetRegions()).append(",");
        if (getStackSetFailureToleranceCount() != null)
            sb.append("StackSetFailureToleranceCount: ").append(getStackSetFailureToleranceCount()).append(",");
        if (getStackSetFailureTolerancePercentage() != null)
            sb.append("StackSetFailureTolerancePercentage: ").append(getStackSetFailureTolerancePercentage()).append(",");
        if (getStackSetMaxConcurrencyCount() != null)
            sb.append("StackSetMaxConcurrencyCount: ").append(getStackSetMaxConcurrencyCount()).append(",");
        if (getStackSetMaxConcurrencyPercentage() != null)
            sb.append("StackSetMaxConcurrencyPercentage: ").append(getStackSetMaxConcurrencyPercentage());
        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-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/ProvisioningPreferences.java