arenaColumns
arenaColumns: readonly [
"dataTypes",
"parents",
"nextSibling",
"previousSibling",
"firstToken",
"lastToken",
"firstChild",
"lastChild",
"name",
"stringValue",
"numericValue",
"unit",
"flags",
"colorType",
"spans",
] = ...
"dataTypes",
"parents",
"nextSibling",
"previousSibling",
"firstToken",
"lastToken",
"firstChild",
"lastChild",
"name",
"stringValue",
"numericValue",
"unit",
"flags",
"colorType",
"spans",
] = ...
arena columns stored as typed arrays, in the order of the transferable buffers