SearchSuggestionsPossibleValuesHierarchy describes possible values of a hierarchical field.
- values are the possible values of the field.
- countscounts of the respective values in the current result set. For hierarchical fields, this includes unique IDs at this node AND all descendant nodes.
- directCountsdirectCounts contains the count of unique IDs directly at each node (excluding descendants). This allows frontends to calculate: - Direct count: directCounts[i] - Descendant count: counts[i] - directCounts[i] Only populated for hierarchical fields; null for others.