Pages: StorageDescriptor<[Enum<{
Here: undefined;
Parent: undefined;
Sibling: number;
Snowbridge: FixedSizeBinary<32>;
}>, number], {
first: number;
first_index: number;
heap: Binary;
last: number;
remaining: number;
remaining_size: number;
}, true, never>
The map of page indices to pages.