TimeDelta

    public hour: number;    // an integer representing hours
    public minute: number;  // an integer representing minutes
    public second: number;  // an integer representing seconds

// Constructs a TimeDelta Instance.
// All arguments are optional, the default value is 0. 
constructor({hour?: number, minute?: number, second?: number}); 

// Returns a new instance of TimeDelta.
// Arguments are optional, defaults are 0 if not provided. 
// Use to create a new instance of TimeDelta
CreateTimeDelta({ year?: number, month?: number, day?: number, 
hour?: number, minute?: number, second?: number}) : TimeDelta;

// Adds an offset to a TimeDelta instance.
// All arguments are optional and are added to the corresponding properties of the instance
addOffset({hour?: number, minute?: number, second?: number});

// Returns the total amount of time left in seconds.
getLeftSecond():number;

// Returns a string representation of the TimeDelta instance in "HH:MM:SS" format.
// If total time is more than 24 hours, it's represented as "HHH:MM:SS"
toString():string; 

export const TimeDeltaExamples = [
  {
    user_utterance: "20 minutes later",
    example_parsed: "TimeDelta.CreateTimeDelta({minute: 20})",
  },
  {
    user_utterance: "1 hour later",
    example_parsed: "TimeDelta.CreateTimeDelta({hour: 1})",
  },
  {
    user_utterance: "1 hour 20 minutes later",
    example_parsed: "TimeDelta.CreateTimeDelta({hour: 1, minute: 20})",
  },
];