src/vs/editor/common/cursor/cursorWordOperations.ts/WordOperations/_findPreviousWordOnLine
class WordOperations:	private static _findPreviousWordOnLine(wordSeparators: WordCharacterClassifier, model: ICursorSimpleModel, position: Position): IFindWordResult | null {
		const lineContent = model.getLineContent(position.lineNumber);
		return this._doFindPreviousWordOnLine(lineContent, wordSeparators, position);
	}