src/vs/editor/contrib/anchorSelect/browser/anchorSelect.ts/SelectionAnchorController/goToSelectionAnchor
class SelectionAnchorController:	goToSelectionAnchor(): void {
		if (this.editor.hasModel() && this.decorationId) {
			const anchorPosition = this.editor.getModel().getDecorationRange(this.decorationId);
			if (anchorPosition) {
				this.editor.setPosition(anchorPosition.getStartPosition());
			}
		}
	}