question: returns whether a task is in this grouping . concode_field_sep int affiliation concode_elem_sep ArrayList<Task.TaskKey> mTaskKeys concode_elem_sep HashMap<Task.TaskKey,Integer> mTaskKeyIndices concode_elem_sep Task.TaskKey mFrontMostTaskKey concode_elem_sep long latestActiveTimeInGroup concode_field_sep Task.TaskKey getPrevTaskInGroup concode_elem_sep void removeTask concode_elem_sep Task.TaskKey getNextTaskInGroup concode_elem_sep boolean isTaskAboveTask concode_elem_sep boolean isFrontMostTask concode_elem_sep void updateTaskIndices concode_elem_sep int indexOf concode_elem_sep int getTaskCount concode_elem_sep void addTask
target: boolean function ( Task arg0 ) { return mTaskKeyIndices . containsKey ( arg0 . key ) ; }