AccessToken constructor
Initalizes the AccessToken class based on the values provided to the accessToken
Map.
Implementation
AccessToken({@required Map accessToken}){
this._value = accessToken[VALUE];
this._scope = accessToken[SCOPE];
this._asFormEncodedBodyParameter = accessToken[AS_FORMENCODED_BODY_PARAMETER];
this._asAuthorizationRequestHeader = accessToken[AS_AUTHORIZATION_REQUEST_HEADER];
}