}
}

// MergeClause merge insert clause
func (insert Insert) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(Insert); ok {
		if insert.Modifier == "" {
			insert.Modifier = v.Modifier
		}
		if insert.Table.Name == "" {
			insert.Table = v.Table
		}
	}
	clause.Expression = insert

// MergeClause merge order by clauses
func (returning Returning) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(Returning); ok && len(returning.Columns) > 0 {
		if v.Columns != nil {
			returning.Columns = append(v.Columns, returning.Columns...)
		} else {
			returning.Columns = nil
		}
	}
	clause.Expression = returning

* The *path* can contain an <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#key-expression" class="external-link" target="_blank">OpenAPI 3 expression</a> (see more below) where it can use variables with parameters and parts of the original request sent to *your API*.

### The callback path expression { #the-callback-path-expression }

    /** HTTP header name for robots tag */
    private static final String X_ROBOTS_TAG = "X-Robots-Tag";

    /** XPath expression for extracting thumbnail content from meta tags */
    private static final String META_NAME_THUMBNAIL_CONTENT = "//META[@name=\"thumbnail\" or @name=\"THUMBNAIL\"]/@content";

    /** XPath expression for extracting Open Graph image content from meta tags */

        super(false);
        this.startTime = startTime;
        this.format = format;
    }

    @Override
    public Object getValue(String expression) {
        if ("build.timestamp".equals(expression) || "maven.build.timestamp".equals(expression)) {
            if (formattedDate == null && startTime != null) {
                formattedDate = new SimpleDateFormat(format).format(startTime);
            }

	}
}

// MergeClause merge update clause
func (update Update) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(Update); ok {
		if update.Modifier == "" {
			update.Modifier = v.Modifier
		}
		if update.Table.Name == "" {
			update.Table = v.Table
		}
	}
	clause.Expression = update

  @JvmName("-deprecated_url")
  @Deprecated(
    message = "moved to toUrl()",
    replaceWith = ReplaceWith(expression = "toUrl()"),
    level = DeprecationLevel.ERROR,
  )
  fun url(): URL = toUrl()

  @JvmName("-deprecated_uri")
  @Deprecated(
    message = "moved to toUri()",
    replaceWith = ReplaceWith(expression = "toUri()"),
    level = DeprecationLevel.ERROR,
  )
  fun uri(): URI = toUri()

                PrimaryExpr TypeAssertion |
                PrimaryExpr Arguments .

Selector      = "." identifier .
Index         = "[" Expression [ "," ] "]" .
Slice         = "[" [ Expression ] ":" [ Expression ] "]" |
                "[" [ Expression ] ":" Expression ":" Expression "]" .
TypeAssertion = "." "(" Type ")" .
Arguments     = "(" [ ( ExpressionList | Type [ "," ExpressionList ] ) [ "..." ] [ "," ] ] ")" .
</pre>

    message = "moved to var",
    replaceWith = ReplaceWith(expression = "headers"),
    level = DeprecationLevel.ERROR,
  )
  fun getHeaders(): Headers = headers

  fun setHeaders(headers: Headers) = apply { this.headers = headers }

  @JvmName("-deprecated_getTrailers")
  @Deprecated(
    message = "moved to var",
    replaceWith = ReplaceWith(expression = "trailers"),
    level = DeprecationLevel.ERROR,
  )

            clientFactoryList.remove(0);
        }
    }

    /**
     * Registers a client component with a regular expression.
     * The component will be loaded into all registered CrawlerClientFactories.
     * @param regex The regular expression to match URLs.
     * @param componentName The name of the component to register.
     */