src/vs/editor/common/model/textModel.ts/TextModel/isDominatedByLongLines
class TextModel:	public isDominatedByLongLines(): boolean {
		this._assertNotDisposed();
		if (this.isTooLargeForTokenization()) {
			// Cannot word wrap huge files anyways, so it doesn't really matter
			return false;
		}
		let smallLineCharCount = 0;
		let longLineCharCount = 0;

		const lineCount = this._buffer.getLineCount();
		for (let lineNumber = 1; lineNumber <= lineCount; lineNumber++) {
			const lineLength = this._buffer.getLineLength(lineNumber);
			if (lineLength >= LONG_LINE_BOUNDARY) {
				longLineCharCount += lineLength;
			} else {
				smallLineCharCount += lineLength;
			}
		}

		return (longLineCharCount > smallLineCharCount);
	}