Optional ReadonlyariaOptional ReadonlyblockReadonlycontainerWhere the sidebar is appended.
Optional ReadonlyemptyOptional ReadonlyheadingHeading node type (default "heading").
Optional ReadonlyonCalled after the caret moves into a clicked row.
Optional Readonlyuntitled
Non-heading block types worth showing, keyed by node type name. Defaults to code blocks, quotes, tables, lists and horizontal rules. Pass
{}for a headings-only outline.