src/vs/workbench/contrib/debug/browser/rawDebugSession.ts/RawDebugSession/setExpression
class RawDebugSession:	setExpression(args: DebugProtocol.SetExpressionArguments): Promise<DebugProtocol.SetExpressionResponse | undefined> {
		if (this.capabilities.supportsSetExpression) {
			return this.send<DebugProtocol.SetExpressionResponse>('setExpression', args);
		}
		return Promise.reject(new Error('setExpression not supported'));
	}