src/vs/workbench/services/extensions/electron-sandbox/localProcessExtensionHost.ts/SandboxLocalProcessExtensionHost/_onExtHostProcessExit
class SandboxLocalProcessExtensionHost:	private _onExtHostProcessExit(code: number, signal: string): void {
		if (this._terminating) {
			// Expected termination path (we asked the process to terminate)
			return;
		}

		this._onExit.fire([code, signal]);
	}