This file specifies the schema for the properties defining statistics collection.
            
statistics
 Properties defining statistics collection. 
The following table lists the elements that an element of type 
statistics can contain:
| Name | Type | Description | Min
                occurs | Max occurs | 
|---|
| client-statistics |  | Control over session statistics.
                        Summary reports will regularly be written to the server log.
                        The log message gives a count of all of the different client types. Each counter is reset
                        according to the configured frequency. | 0 | 1 | 
client-statistics
The following table lists the elements that an element of type 
client-statistics can contain:
| Name | Type | Description | Min
                occurs | Max occurs | 
|---|
| output-frequency | push:millis | Specifies the output frequency of the log. There is one
                        entry per specified interval. If this is not specified, a default of 1h is
                        used. | 0 | 1 | 
| reset-frequency | push:millis | Specifies when the counters are reset. The reset interval must
                        be a multiple of the output frequency. Zero specifies that the counters are
                        never reset. If this is not specified, a default of 1h is used. | 0 | 1 | 
topic-statistics
The following table lists the elements that an element of type 
topic-statistics can contain:
| Name | Type | Description | Min
                occurs | Max occurs | 
|---|
| monitor-instances | push:boolean | Specifies if individual topic statistics are enabled. | 0 | 1 |