DirectoryInput
interface DirectoryInput : QualifiedContent
A QualifiedContent of type directory. 
 This means the getFile is the root directory containing the content. 
 This also contains incremental data if the transform is in incremental mode through getChangedFiles. 
For a transform to run in incremental mode:
- isIncrementalmust return- true
- The parameter isIncremental of transformmust betrue.
getChangedFiles will not contain any information (it will not contain the list of all the files with state NOTCHANGED.) 
     When a root level directory is removed, and incremental mode is on, the instance will receive a DirectoryInput instance for the removed folder, but getFile will return a directory that does not exist. In this case, the transform should prcess this as a removed input.
Summary
| Inherited functions | |
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Public functions
getChangedFiles
fun getChangedFiles(): (Mutable)Map<File!, Status!>!
Returns the changed files. This is only valid if the transform is in incremental mode.
