src/vs/workbench/contrib/terminal/browser/terminalInstance.ts/TerminalInstance/_setCursorBlink
class TerminalInstance:	private _setCursorBlink(blink: boolean): void {
		if (this._xterm && this._xterm.getOption('cursorBlink') !== blink) {
			this._xterm.setOption('cursorBlink', blink);
			this._xterm.refresh(0, this._xterm.rows - 1);
		}
	}