src/vs/editor/contrib/snippet/browser/snippetSession.ts/SnippetSession/constructor
class SnippetSession:	constructor(
		editor: IActiveCodeEditor,
		template: string,
		options: ISnippetSessionInsertOptions = _defaultOptions,
		@ILanguageConfigurationService private readonly _languageConfigurationService: ILanguageConfigurationService
	) {
		this._editor = editor;
		this._template = template;
		this._options = options;
	}