Stop building a million nodes for a million-element array

dist/datamodel/display/DisplayConvention.d.ts

@@ -1,5 +1,6 @@
 export declare const SUMMARY_MAX_CHARS = 1000;
 export declare const SUMMARY_MAX_ELEMENTS = 10;
+export declare const MAX_EXPANDED_ELEMENTS = 10000;
 export declare const EMPTY_NUMERIC = "[ ]";
 export declare const EMPTY_CELL = "{ }";
 export declare const MISSING_STRING = "<missing>";

dist/datamodel/node/BaseNode.d.ts

@@ -143,6 +143,7 @@ export default class BaseNode {
     _usedByCell(): RowData['UsedBy'] | undefined;
     _typeLinkCell(cellText: unknown): RowData['DataType'] | undefined;
     flatten(): BaseNode[];
+    private _slotAmongSiblings;
     get displayName(): string;
     get valueEditable(): boolean;
     get descriptionEditable(): boolean;