src/vs/platform/terminal/common/xterm/shellIntegrationAddon.ts/ShellIntegrationAddon/activate
class ShellIntegrationAddon:	activate(xterm: Terminal) {
		this._terminal = xterm;
		this.capabilities.add(TerminalCapability.PartialCommandDetection, new PartialCommandDetectionCapability(this._terminal));
		this._register(xterm.parser.registerOscHandler(ShellIntegrationOscPs.VSCode, data => this._handleVSCodeSequence(data)));
	}