@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getAppDefinitionVersion() != null)
            sb.append("AppDefinitionVersion: ").append(getAppDefinitionVersion()).append(",");
        if (getCards() != null)
            sb.append("Cards: ").append(getCards()).append(",");
        if (getCanEdit() != null)
            sb.append("CanEdit: ").append(getCanEdit());
        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-qapps/src/main/java/com/amazonaws/services/qapps/model/AppDefinition.java