Function annotate

test/fixtures/snapshot/typescript.js:156776–156792

(changes, importAdder, sourceFile, declaration, type, program, host)

            }
        }
        function annotate(changes, importAdder, sourceFile, declaration, type, program, host) {
            var typeNode = ts.getTypeNodeIfAccessible(type, declaration, program, host);
            if (typeNode) {
                if (ts.isInJSFile(sourceFile) && declaration.kind !== 166 /* SyntaxKind.PropertySignature */) {
                    var parent = ts.isVariableDeclaration(declaration) ? ts.tryCast(declaration.parent.parent, ts.isVariableStatement) : declaration;
                    if (!parent) {
                        return;
                    }
                    var typeExpression = ts.factory.createJSDocTypeExpression(typeNode);
                    var typeTag = ts.isGetAccessorDeclaration(declaration) ? ts.factory.createJSDocReturnTag(/*tagName*/ undefined, typeExpression, /*comment*/ undefined) : ts.factory.createJSDocTypeTag(/*tagName*/ undefined, typeExpression, /*comment*/ undefined);
                    changes.addJSDocTags(sourceFile, parent, [typeTag]);
                }
                else if (!tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, sourceFile, changes, importAdder, ts.getEmitScriptTarget(program.getCompilerOptions()))) {
                    changes.tryInsertTypeAnnotation(sourceFile, declaration, typeNode);
                }
            }
        }
        function tryReplaceImportTypeNodeWithAutoImport(typeNode, declaration, sourceFile, changes, importAdder, scriptTarget) {
            var importableReference = codefix.tryGetAutoImportableReferenceFromTypeNode(typeNode, scriptTarget);
            if (importableReference && changes.tryInsertTypeAnnotation(sourceFile, declaration, importableReference.typeNode)) {