diff --git a/packages/angular-html-parser/src/index.ts b/packages/angular-html-parser/src/index.ts
index 0dd2c63dc9a91..163c64d29fe43 100644
--- a/packages/angular-html-parser/src/index.ts
+++ b/packages/angular-html-parser/src/index.ts
@@ -85,3 +85,5 @@ export {
   ParseSourceFile,
 } from "../../compiler/src/parse_util.js";
 export { getHtmlTagDefinition } from "../../compiler/src/ml_parser/html_tags.js";
+export { htmlAstToRender3Ast } from '../../compiler/src/render3/r3_template_transform.js';
+export { makeBindingParser } from '../../compiler/src/render3/view/template';
diff --git a/packages/compiler/src/i18n/i18n_parser.ts b/packages/compiler/src/i18n/i18n_parser.ts
index c5ef54aa94459..62ac8e2fa7246 100644
--- a/packages/compiler/src/i18n/i18n_parser.ts
+++ b/packages/compiler/src/i18n/i18n_parser.ts
@@ -54,6 +54,11 @@ class _I18nVisitor implements html.Visitor {
       private _expressionParser: ExpressionParser,
       private _interpolationConfig: InterpolationConfig) {}
 
+  // implements html.Visitor
+  visit?(node: html.Node, context: any) {}
+  visitCdata(text: html.CDATA, context: any) {}
+  visitDocType(docType: html.DocType, context: any) {}
+
   public toI18nMessage(
       nodes: html.Node[], meaning = '', description = '', customId = '',
       visitNodeFn: VisitNodeFn|undefined): i18n.Message {
diff --git a/packages/compiler/src/ml_parser/html_whitespaces.ts b/packages/compiler/src/ml_parser/html_whitespaces.ts
index b6951becfe1ca..e04267b447b16 100644
--- a/packages/compiler/src/ml_parser/html_whitespaces.ts
+++ b/packages/compiler/src/ml_parser/html_whitespaces.ts
@@ -56,12 +56,12 @@ export class WhitespaceVisitor implements html.Visitor {
       // but still visit all attributes to eliminate one used as a market to preserve WS
       return new html.Element(
           element.name, html.visitAll(this, element.attrs), element.children, element.sourceSpan,
-          element.startSourceSpan, element.endSourceSpan, element.i18n);
+          element.startSourceSpan, element.endSourceSpan, null);
     }
 
     return new html.Element(
         element.name, element.attrs, visitAllWithSiblings(this, element.children),
-        element.sourceSpan, element.startSourceSpan, element.endSourceSpan, element.i18n);
+        element.sourceSpan, element.startSourceSpan, element.endSourceSpan, null);
   }
 
   visitAttribute(attribute: html.Attribute, context: any): any {
@@ -91,7 +91,7 @@ export class WhitespaceVisitor implements html.Visitor {
 
     if (isNotBlank) {
       return new html.CDATA(
-          replaceNgsp(cdata.value).replace(WS_REPLACE_REGEXP, ' '), cdata.sourceSpan);
+          replaceNgsp(cdata.value).replace(WS_REPLACE_REGEXP, ' '), cdata.sourceSpan, []);
     }
 
     return null;
diff --git a/packages/compiler/src/render3/r3_control_flow.ts b/packages/compiler/src/render3/r3_control_flow.ts
index b5960f15baf99..94e84de1ef7e0 100644
--- a/packages/compiler/src/render3/r3_control_flow.ts
+++ b/packages/compiler/src/render3/r3_control_flow.ts
@@ -163,7 +163,7 @@ export function createSwitchBlock(
     }
 
     if ((node.name !== 'case' || node.parameters.length === 0) && node.name !== 'default') {
-      unknownBlocks.push(new t.UnknownBlock(node.name, node.sourceSpan, node.nameSpan));
+      unknownBlocks.push(new t.UnknownBlock(node.name, node.sourceSpan, node.sourceSpan));
       continue;
     }
 
diff --git a/packages/compiler/src/render3/r3_template_transform.ts b/packages/compiler/src/render3/r3_template_transform.ts
index ee43a862ea8e4..ba1f850237187 100644
--- a/packages/compiler/src/render3/r3_template_transform.ts
+++ b/packages/compiler/src/render3/r3_template_transform.ts
@@ -101,6 +101,11 @@ class HtmlAstToIvyAst implements html.Visitor {
 
   constructor(private bindingParser: BindingParser, private options: Render3ParseOptions) {}
 
+  // implements html.Visitor
+  visit?(node: html.Node, context: any) {}
+  visitCdata(text: html.CDATA, context: any) {}
+  visitDocType(docType: html.DocType, context: any) {}
+
   // HTML visitor
   visitElement(element: html.Element): t.Node|null {
     const isI18nRootElement = isI18nRootNode(element.i18n);
@@ -383,7 +388,7 @@ class HtmlAstToIvyAst implements html.Visitor {
         }
 
         result = {
-          node: new t.UnknownBlock(block.name, block.sourceSpan, block.nameSpan),
+          node: new t.UnknownBlock(block.name, block.sourceSpan, block.sourceSpan),
           errors: [new ParseError(block.sourceSpan, errorMessage)],
         };
         break;
@@ -618,6 +623,11 @@ class HtmlAstToIvyAst implements html.Visitor {
 }
 
 class NonBindableVisitor implements html.Visitor {
+  // implements html.Visitor
+  visit?(node: html.Node, context: any) {}
+  visitCdata(text: html.CDATA, context: any) {}
+  visitDocType(docType: html.DocType, context: any) {}
+
   visitElement(ast: html.Element): t.Element|null {
     const preparsedElement = preparseElement(ast);
     if (preparsedElement.type === PreparsedElementType.SCRIPT ||
diff --git a/packages/compiler/src/render3/view/i18n/meta.ts b/packages/compiler/src/render3/view/i18n/meta.ts
index f70bb498cd8a8..93504937f23eb 100644
--- a/packages/compiler/src/render3/view/i18n/meta.ts
+++ b/packages/compiler/src/render3/view/i18n/meta.ts
@@ -55,6 +55,11 @@ export class I18nMetaVisitor implements html.Visitor {
       private interpolationConfig: InterpolationConfig = DEFAULT_INTERPOLATION_CONFIG,
       private keepI18nAttrs = false, private enableI18nLegacyMessageIdFormat = false) {}
 
+  // implements html.Visitor
+  visit?(node: html.Node, context: any) {}
+  visitCdata(text: html.CDATA, context: any) {}
+  visitDocType(docType: html.DocType, context: any) {}
+
   private _generateI18nMessage(
       nodes: html.Node[], meta: string|i18n.I18nMeta = '',
       visitNodeFn?: VisitNodeFn): i18n.Message {