# KeyRange class

Annotations
  - @Unstable()
  - @Native("IDBKeyRange")

## Constructors

KeyRange.bound(dynamic lower, dynamic upper, [ bool lowerOpen = false, bool upperOpen = false ])
  factory
KeyRange.lowerBound(dynamic bound, [ bool open = false ])
  factory
KeyRange.only(dynamic value)
  factory
KeyRange.upperBound(dynamic bound, [ bool open = false ])
  factory

## Properties

lower → Object
  @annotation_Creates_SerializedScriptValue, final
lowerOpen → bool
  final
upper → Object
  @annotation_Creates_SerializedScriptValue, final
upperOpen → bool
  final
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited

## Methods

includes(Object key) → bool
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
toString() → String
  Returns a string representation of this object.
  inherited

## Operators

operator ==(dynamic other) → bool
  The equality operator. [...]
  inherited

## Static Methods

bound_(Object lower, Object upper, [ bool lowerOpen, bool upperOpen ]) → KeyRange
  @JSName('bound')
lowerBound_(Object bound, [ bool open ]) → KeyRange
  @JSName('lowerBound')
only_(Object value) → KeyRange
  @JSName('only')
upperBound_(Object bound, [ bool open ]) → KeyRange
  @JSName('upperBound')