final List<String> docIdList = new ArrayList<>();
        for (final Map<String, Object> inputDoc : docList) {
            final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());
            if (idValue == null) {
                continue;
            }

            final Object configIdValue = inputDoc.get(fessConfig.getIndexFieldConfigId());

                if (expires != null && expires.getTime() < systemHelper.getCurrentTimeAsLong()) {
                    final Object idValue = document.get(fessConfig.getIndexFieldId());
                    if (idValue != null && !indexingHelper.deleteDocument(searchEngineClient, idValue.toString())) {
                        logger.debug("Failed to delete expired document: {}", url);
                    }
                    return true;

		wantParts = nParts
	}
	bvalue, err := base64.StdEncoding.DecodeString(value)
	if err != nil {
		return nil
	}
	c := Checksum{Type: alg, Encoded: value, Raw: bvalue, WantParts: wantParts}
	if !c.Valid() {
		return nil
	}
	return &c
}

// NewChecksumString returns a new checksum from specified algorithm and base64 encoded value.
func NewChecksumString(alg, value string) *Checksum {

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    }

    public void setAvailable_GreaterThan(Boolean available, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = available;
        RangeQueryBuilder builder = regRangeQ("available", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setAvailable_LessThan(Boolean available) {

    }

    public void setAvailable_GreaterThan(Boolean available, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = available;
        RangeQueryBuilder builder = regRangeQ("available", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setAvailable_LessThan(Boolean available) {

    }

    public void setCreatedBy_GreaterThan(String createdBy, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = createdBy;
        RangeQueryBuilder builder = regRangeQ("createdBy", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCreatedBy_LessThan(String createdBy) {

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    }

    public void setElevateWordId_GreaterThan(String elevateWordId, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = elevateWordId;
        RangeQueryBuilder builder = regRangeQ("elevateWordId", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }