OptionalcapabilitiesExplicit color capability used for deterministic rendering.
OptionalbackgroundSemantic background token.
OptionalborderSemantic border token.
OptionalforegroundSemantic foreground token.
OptionalthemeSemantic terminal theme.
OptionalbodyBody height while expanded.
OptionalcharactersCharacter tokens used by the header renderer.
OptionalcontentPlain text body content managed by the adapter.
OptionaldefaultInitial expanded state for uncontrolled usage.
OptionaldisabledWhether focus and toggling are unavailable.
OptionalexpandedControlled expanded state.
OptionalgapEmpty rows between header and body while expanded.
OptionalheaderSemantic header foreground token.
OptionalonCalled after keyboard, mouse, or imperative toggling requests a state change.
Non-empty, single-line title rendered in the header.
Stateful data accepted by the Blessed collapsible adapter.