Returns a function for retrieving a report from the given data context.
Error if a data context is not provided
the current data context
a function for retrieving a report
Returns a report for the given qualifier.
identifier for the report to retrieve
the report or null if no report is found for the qualifier
null
Error if the qualifier is invalid
Returns a function for retrieving a report from the given data context.
Throws
Error if a data context is not provided