# androidx.collection

*** ** * ** ***

## Classes

|---|---|
| `https://developer.android.com/reference/androidx/collection/ArrayMap` | ArrayMap is a generic key-\>value mapping data structure that is designed to be more memory efficient than a traditional `https://developer.android.com/reference/java/util/HashMap.html`, this implementation is a version of the platform's `android.util.ArrayMap` that can be used on older versions of the platform. |
| `https://developer.android.com/reference/androidx/collection/ArrayMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/ArraySet` | ArraySet is a generic set data structure that is designed to be more memory efficient than a traditional `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-hash-set/index.html`. |
| `https://developer.android.com/reference/androidx/collection/ArraySetKt` |   |
| `https://developer.android.com/reference/androidx/collection/CircularArray` | CircularArray is a generic circular array data structure that provides O(1) random read, O(1) prepend and O(1) append. |
| `https://developer.android.com/reference/androidx/collection/CircularIntArray` | `https://developer.android.com/reference/androidx/collection/CircularIntArray` is a circular integer array data structure that provides O(1) random read, O(1) prepend and O(1) append. |
| `https://developer.android.com/reference/androidx/collection/DoubleList` | `https://developer.android.com/reference/androidx/collection/DoubleList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-double/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/DoubleListKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatFloatMap` | `https://developer.android.com/reference/androidx/collection/FloatFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/FloatFloatMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatFloatPair` | Container to ease passing around a tuple of two `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/FloatIntMap` | `https://developer.android.com/reference/androidx/collection/FloatIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/FloatIntMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatList` | `https://developer.android.com/reference/androidx/collection/FloatList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/FloatListKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatLongMap` | `https://developer.android.com/reference/androidx/collection/FloatLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/FloatLongMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatObjectMap` | `https://developer.android.com/reference/androidx/collection/FloatObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/FloatObjectMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/FloatSet` | `https://developer.android.com/reference/androidx/collection/FloatSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-set/index.html`-like interface designed to avoid allocations, including boxing. |
| `https://developer.android.com/reference/androidx/collection/FloatSetKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntFloatMap` | `https://developer.android.com/reference/androidx/collection/IntFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/IntFloatMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntIntMap` | `https://developer.android.com/reference/androidx/collection/IntIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/IntIntMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntIntPair` | Container to ease passing around a tuple of two `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/IntList` | `https://developer.android.com/reference/androidx/collection/IntList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/IntListKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntLongMap` | `https://developer.android.com/reference/androidx/collection/IntLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/IntLongMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntObjectMap` | `https://developer.android.com/reference/androidx/collection/IntObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/IntObjectMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/IntSet` | `https://developer.android.com/reference/androidx/collection/IntSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-set/index.html`-like interface designed to avoid allocations, including boxing. |
| `https://developer.android.com/reference/androidx/collection/IntSetKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongFloatMap` | `https://developer.android.com/reference/androidx/collection/LongFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/LongFloatMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongIntMap` | `https://developer.android.com/reference/androidx/collection/LongIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/LongIntMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongList` | `https://developer.android.com/reference/androidx/collection/LongList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/LongListKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongLongMap` | `https://developer.android.com/reference/androidx/collection/LongLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/LongLongMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongLongPair` | Container to ease passing around a tuple of two `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/LongObjectMap` | `https://developer.android.com/reference/androidx/collection/LongObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/LongObjectMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongSet` | `https://developer.android.com/reference/androidx/collection/LongSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-set/index.html`-like interface designed to avoid allocations, including boxing. |
| `https://developer.android.com/reference/androidx/collection/LongSetKt` |   |
| `https://developer.android.com/reference/androidx/collection/LongSparseArray` | SparseArray mapping longs to Objects. |
| `https://developer.android.com/reference/androidx/collection/LongSparseArrayKt` |   |
| `https://developer.android.com/reference/androidx/collection/LruCache` | A cache that holds strong references to a limited number of values. |
| `https://developer.android.com/reference/androidx/collection/LruCacheKt` |   |
| `https://developer.android.com/reference/androidx/collection/MutableDoubleList` | `https://developer.android.com/reference/androidx/collection/MutableDoubleList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-double/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatFloatMap` | `https://developer.android.com/reference/androidx/collection/MutableFloatFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatIntMap` | `https://developer.android.com/reference/androidx/collection/MutableFloatIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatList` | `https://developer.android.com/reference/androidx/collection/MutableFloatList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatLongMap` | `https://developer.android.com/reference/androidx/collection/MutableFloatLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatObjectMap` | `https://developer.android.com/reference/androidx/collection/MutableFloatObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/MutableFloatSet` | `https://developer.android.com/reference/androidx/collection/MutableFloatSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-set/index.html`-like interface based on a flat hash table implementation. |
| `https://developer.android.com/reference/androidx/collection/MutableIntFloatMap` | `https://developer.android.com/reference/androidx/collection/MutableIntFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableIntIntMap` | `https://developer.android.com/reference/androidx/collection/MutableIntIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableIntList` | `https://developer.android.com/reference/androidx/collection/MutableIntList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/MutableIntLongMap` | `https://developer.android.com/reference/androidx/collection/MutableIntLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableIntObjectMap` | `https://developer.android.com/reference/androidx/collection/MutableIntObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/MutableIntSet` | `https://developer.android.com/reference/androidx/collection/MutableIntSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-set/index.html`-like interface based on a flat hash table implementation. |
| `https://developer.android.com/reference/androidx/collection/MutableLongFloatMap` | `https://developer.android.com/reference/androidx/collection/MutableLongFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableLongIntMap` | `https://developer.android.com/reference/androidx/collection/MutableLongIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableLongList` | `https://developer.android.com/reference/androidx/collection/MutableLongList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html`-like collection for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` values. |
| `https://developer.android.com/reference/androidx/collection/MutableLongLongMap` | `https://developer.android.com/reference/androidx/collection/MutableLongLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive keys and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitive values. |
| `https://developer.android.com/reference/androidx/collection/MutableLongObjectMap` | `https://developer.android.com/reference/androidx/collection/MutableLongObjectMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitives and reference type values. |
| `https://developer.android.com/reference/androidx/collection/MutableLongSet` | `https://developer.android.com/reference/androidx/collection/MutableLongSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-set/index.html`-like interface based on a flat hash table implementation. |
| `https://developer.android.com/reference/androidx/collection/MutableObjectFloatMap` | `https://developer.android.com/reference/androidx/collection/MutableObjectFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/MutableObjectIntMap` | `https://developer.android.com/reference/androidx/collection/MutableObjectIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/MutableObjectList` | `https://developer.android.com/reference/androidx/collection/MutableObjectList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-list/index.html`-like collection for reference types. |
| `https://developer.android.com/reference/androidx/collection/MutableObjectLongMap` | `https://developer.android.com/reference/androidx/collection/MutableObjectLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/MutableOrderedScatterSet` | `https://developer.android.com/reference/androidx/collection/MutableOrderedScatterSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-set/index.html`-like interface based on a flat hash table implementation that preserves the insertion order for iteration. |
| `https://developer.android.com/reference/androidx/collection/MutableScatterMap` | `https://developer.android.com/reference/androidx/collection/MutableScatterMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface based on a flat hash table implementation (the key/value mappings are not stored by nodes but directly into arrays). |
| `https://developer.android.com/reference/androidx/collection/MutableScatterSet` | `https://developer.android.com/reference/androidx/collection/MutableScatterSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-mutable-set/index.html`-like interface based on a flat hash table implementation. |
| `https://developer.android.com/reference/androidx/collection/ObjectFloatMap` | `https://developer.android.com/reference/androidx/collection/ObjectFloatMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-float/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/ObjectFloatMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/ObjectIntMap` | `https://developer.android.com/reference/androidx/collection/ObjectIntMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/ObjectIntMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/ObjectList` | `https://developer.android.com/reference/androidx/collection/ObjectList` is a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-list/index.html`-like collection for reference types. |
| `https://developer.android.com/reference/androidx/collection/ObjectListKt` |   |
| `https://developer.android.com/reference/androidx/collection/ObjectLongMap` | `https://developer.android.com/reference/androidx/collection/ObjectLongMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface for keys with reference types and `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-long/index.html` primitives for values. |
| `https://developer.android.com/reference/androidx/collection/ObjectLongMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/OrderedScatterSet` | `https://developer.android.com/reference/androidx/collection/OrderedScatterSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-set/index.html`-like interface based on a flat hash table implementation that preserves the insertion order for iteration. |
| `https://developer.android.com/reference/androidx/collection/OrderedScatterSetKt` |   |
| `https://developer.android.com/reference/androidx/collection/ScatterMap` | `https://developer.android.com/reference/androidx/collection/ScatterMap` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-map/index.html`-like interface based on a flat hash table implementation (the key/value mappings are not stored by nodes but directly into arrays). |
| `https://developer.android.com/reference/androidx/collection/ScatterMapKt` |   |
| `https://developer.android.com/reference/androidx/collection/ScatterSet` | `https://developer.android.com/reference/androidx/collection/ScatterSet` is a container with a `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/-set/index.html`-like interface based on a flat hash table implementation. |
| `https://developer.android.com/reference/androidx/collection/ScatterSetKt` |   |
| `https://developer.android.com/reference/androidx/collection/SieveCache` | `https://developer.android.com/reference/androidx/collection/SieveCache` is an in-memory cache that holds strong references to a limited number of values determined by the cache's `https://developer.android.com/reference/androidx/collection/SieveCache#(kotlin.Int,kotlin.Int,kotlin.Function2,kotlin.Function1,kotlin.Function4)` and the size of each value. |
| `https://developer.android.com/reference/androidx/collection/SimpleArrayMap` | Base implementation of androidx.collection.ArrayMap that doesn't include any standard Java container API interoperability. |
| `https://developer.android.com/reference/androidx/collection/SparseArrayCompat` | SparseArrays map integers to Objects. |
| `https://developer.android.com/reference/androidx/collection/SparseArrayKt` |   |