@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;

        if (obj instanceof DescribeDBEngineVersionsRequest == false)
            return false;
        DescribeDBEngineVersionsRequest other = (DescribeDBEngineVersionsRequest) obj;
        if (other.getEngine() == null ^ this.getEngine() == null)
            return false;
        if (other.getEngine() != null && other.getEngine().equals(this.getEngine()) == false)
            return false;
        if (other.getEngineVersion() == null ^ this.getEngineVersion() == null)
            return false;
        if (other.getEngineVersion() != null && other.getEngineVersion().equals(this.getEngineVersion()) == false)
            return false;
        if (other.getDBParameterGroupFamily() == null ^ this.getDBParameterGroupFamily() == null)
            return false;
        if (other.getDBParameterGroupFamily() != null && other.getDBParameterGroupFamily().equals(this.getDBParameterGroupFamily()) == false)
            return false;
        if (other.getFilters() == null ^ this.getFilters() == null)
            return false;
        if (other.getFilters() != null && other.getFilters().equals(this.getFilters()) == false)
            return false;
        if (other.getMaxRecords() == null ^ this.getMaxRecords() == null)
            return false;
        if (other.getMaxRecords() != null && other.getMaxRecords().equals(this.getMaxRecords()) == false)
            return false;
        if (other.getMarker() == null ^ this.getMarker() == null)
            return false;
        if (other.getMarker() != null && other.getMarker().equals(this.getMarker()) == false)
            return false;
        if (other.getDefaultOnly() == null ^ this.getDefaultOnly() == null)
            return false;
        if (other.getDefaultOnly() != null && other.getDefaultOnly().equals(this.getDefaultOnly()) == false)
            return false;
        if (other.getListSupportedCharacterSets() == null ^ this.getListSupportedCharacterSets() == null)
            return false;
        if (other.getListSupportedCharacterSets() != null && other.getListSupportedCharacterSets().equals(this.getListSupportedCharacterSets()) == false)
            return false;
        if (other.getListSupportedTimezones() == null ^ this.getListSupportedTimezones() == null)
            return false;
        if (other.getListSupportedTimezones() != null && other.getListSupportedTimezones().equals(this.getListSupportedTimezones()) == false)
            return false;
        return true;
    }
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-neptune/src/main/java/com/amazonaws/services/neptune/model/DescribeDBEngineVersionsRequest.java