ITreeViewColumn Interface

Defines structural column metadata assigning fields, headers, and dynamic component injection across TreeView grids globally.

Injected directly via `columns` array properties into `<KTreeView>` globally natively parsing field mapping safely natively.

Property	Type	Description
field	string	Map directly onto nested JSON structure values natively
header	string	Text string mapping onto column identification natively
component?	string	String reference dynamically resolving injected Vue components globally
componentProps?	any	Property injections passed natively inside dynamically rendered internal columns natively
width?	string	Direct CSS inline widths securely