Step class 
Signature:
typescript
export declare class StepConstructors 
| Constructor | Modifiers | Description | 
|---|---|---|
| Constructs a new instance of the  | 
Properties 
| Property | Modifiers | Type | Description | 
|---|---|---|---|
| Date | Return the step arrival date time | ||
| Date | Return the step departure date time | ||
| number | Return the step duration | ||
| Return the step from if exist | |||
| string | Return the step id | ||
| boolean | Return boolean if the step is a transfer | ||
| StopStep[] | Return the step stops if exist | ||
| Return the step to if exist | |||
| string | Return the step type |