src/vs/workbench/contrib/debug/browser/debugSession.ts/DebugSession/setVariable
class DebugSession:	setVariable(variablesReference: number, name: string, value: string): Promise<DebugProtocol.SetVariableResponse | undefined> {
		if (!this.raw) {
			throw new Error(localize('noDebugAdapter', "No debugger available, can not send '{0}'", 'setVariable'));
		}

		return this.raw.setVariable({ variablesReference, name, value });
	}