Returns subtasks of parent issues that have field-name = field-value equality

jep.subTasksByFieldInMainTask returns subtasks of parent issues which have field-name = field-value equality 

Some samples:

 

issue in jep.subTasksByFieldInMainTask("assignee", "tdirk") 
issue in jep.subTasksByFieldInMainTask("component", "web")
issue in jep.subTasksByFieldInMainTask("fixVersion", "3.0")
issue in jep.subTasksByFieldInMainTask("issuetype", "Bug")
issue in jep.subTasksByFieldInMainTask("priority", "Highest")
issue in jep.subTasksByFieldInMainTask("resolution", "Unresolved")