@interface ECUtils : NSObject + (id)renameFunction:(id)a0; + (id)dateFromXlDateTimeNumber:(double)a0 edWorkbook:(id)a1; + (double)dateTimeNumberFromNSDate:(id)a0 edWorkbook:(id)a1; + (unsigned int)dateTimeOffsetForBuggy1900Dates:(double)a0 edWorkbook:(id)a1; + (BOOL)isRenameFunction:(id)a0; + (BOOL)isValidDateTime:(double)a0 edWorkbook:(id)a1; + (id)lassoDefaultTableName; + (id)lassoStyleTableReferenceFromTableId:(id)a0; + (id)renameMap; + (double)timeIntervalFromXlDateTimeNumber:(double)a0 edWorkbook:(id)a1; + (BOOL)validDateInExcel:(id)a0 edWorkbook:(id)a1; @end