LibWeb: Stub SVGTextContentElement.getStartPositionOfChar()

Author: https://github.com/MacDue
Commit: 329262d54f
Pull-request: https://github.com/SerenityOS/serenity/pull/23793
Reviewed-by: https://github.com/shannonbooth

Userland/Libraries/LibWeb/SVG/SVGTextContentElement.h

@@ -6,9 +6,11 @@
 
 #pragma once
 
+#include <LibWeb/Geometry/DOMPoint.h>
 #include <LibWeb/SVG/AttributeParser.h>
 #include <LibWeb/SVG/SVGGraphicsElement.h>
 #include <LibWeb/WebIDL/ExceptionOr.h>
+#include <LibWeb/WebIDL/Types.h>
 
 namespace Web::SVG {
 
@@ -17,12 +19,14 @@ class SVGTextContentElement : public SVGGraphicsElement {
     WEB_PLATFORM_OBJECT(SVGTextContentElement, SVGGraphicsElement);
 
 public:
-    WebIDL::ExceptionOr<int> get_number_of_chars() const;
+    WebIDL::ExceptionOr<WebIDL::Long> get_number_of_chars() const;
 
     Optional<TextAnchor> text_anchor() const;
 
     ByteString text_contents() const;
 
+    JS::NonnullGCPtr<Geometry::DOMPoint> get_start_position_of_char(WebIDL::UnsignedLong charnum);
+
 protected:
     SVGTextContentElement(DOM::Document&, DOM::QualifiedName);