add: (key, item) => void;

add: (key, item) => void;

build: (entries) => void;

build: (entries) => void;

clear: () => void;

clear: () => void;

equalityLookup: (value) => Set<TKey>;

equalityLookup: (value) => Set<TKey>;

getStats: () => IndexStats;

getStats: () => IndexStats;

inArrayLookup: (values) => Set<TKey>;

inArrayLookup: (values) => Set<TKey>;

lookup: (operation, value) => Set<TKey>;

lookup: (operation, value) => Set<TKey>;

matchesCompareOptions: (compareOptions) => boolean;

matchesCompareOptions: (compareOptions) => boolean;

matchesDirection: (direction) => boolean;

matchesDirection: (direction) => boolean;

matchesField: (fieldPath) => boolean;

matchesField: (fieldPath) => boolean;

rangeQuery: (options) => Set<TKey>;

rangeQuery: (options) => Set<TKey>;

rangeQueryReversed: (options) => Set<TKey>;

rangeQueryReversed: (options) => Set<TKey>;

remove: (key, item) => void;

remove: (key, item) => void;

supports: (operation) => boolean;

supports: (operation) => boolean;

take: (n, from?, filterFn?) => TKey[];

take: (n, from?, filterFn?) => TKey[];

takeReversed: (n, from?, filterFn?) => TKey[];

takeReversed: (n, from?, filterFn?) => TKey[];

update: (key, oldItem, newItem) => void;

update: (key, oldItem, newItem) => void;

get indexedKeysSet(): Set<TKey>;

get indexedKeysSet(): Set<TKey>;

get keyCount(): number;

get keyCount(): number;

get orderedEntriesArray(): [any, Set<TKey>][];

get orderedEntriesArray(): [any, Set<TKey>][];

get orderedEntriesArrayReversed(): [any, Set<TKey>][];

get orderedEntriesArrayReversed(): [any, Set<TKey>][];

get valueMapData(): Map<any, Set<TKey>>;

get valueMapData(): Map<any, Set<TKey>>;