src/vs/platform/terminal/common/xterm/shellIntegrationAddon.ts/ShellIntegrationAddon/_createOrGetBufferMarkDetection
class ShellIntegrationAddon:	protected _createOrGetBufferMarkDetection(terminal: Terminal): IBufferMarkCapability {
		let bufferMarkDetection = this.capabilities.get(TerminalCapability.BufferMarkDetection);
		if (!bufferMarkDetection) {
			bufferMarkDetection = new BufferMarkCapability(terminal);
			this.capabilities.add(TerminalCapability.BufferMarkDetection, bufferMarkDetection);
		}
		return bufferMarkDetection;
	}