src/vs/editor/contrib/find/browser/findState.ts/FindReplaceState/constructor
class FindReplaceState:	constructor() {
		super();
		this._searchString = '';
		this._replaceString = '';
		this._isRevealed = false;
		this._isReplaceRevealed = false;
		this._isRegex = false;
		this._isRegexOverride = FindOptionOverride.NotSet;
		this._wholeWord = false;
		this._wholeWordOverride = FindOptionOverride.NotSet;
		this._matchCase = false;
		this._matchCaseOverride = FindOptionOverride.NotSet;
		this._preserveCase = false;
		this._preserveCaseOverride = FindOptionOverride.NotSet;
		this._searchScope = null;
		this._matchesPosition = 0;
		this._matchesCount = 0;
		this._currentMatch = null;
		this._loop = true;
		this._isSearching = false;
		this._filters = null;
	}