`interface IPositionsSummaryManager`

Parents
	`IDataManager`

Brief

The interface for getting access to positions summary data

Public Methods
getPositionsSummary	Gets a data of a positions summary by instrument symbol
getPositionsSummarySnapshot	Gets a snapshot of all positions summaries
subscribePositionsSummaryChange	Subscribes to the positions summary change event
unsubscribePositionsSummaryChange	Unsubscribes from the positions summary change event