## S3 method for class 'Package}(this, filenames=c("ChangeLog", "HISTORY"), ...)':
showChangeLogundefined
- filenames{A
character vector of (non-case sensitive) filenames
    to be searched for.}
  - ...{Not used.}
Returns nothing. 
[object Object]
*getChangeLog().
  For more information see Package.internal 
methods