- name
- Documentation for this section has not yet been entered.
- state
- Documentation for this section has not yet been entered.
Type Reason Java.Lang.IllegalStateException If the feature is not supported or can not be set Java.Lang.IllegalArgumentException
Set feature identified by name (recommended to be URI for uniqueness). Some well known optional features are defined in . If feature is not recognized or can not be set then IllegalStateException MUST be thrown.