dart:collection
 DoubleLinkedQueueEntry<E> class 
  An entry in a doubly linked list. It contains a pointer to the next entry, the previous entry, and the boxed element.
   Constructors
  -  DoubleLinkedQueueEntry(E element) 
   
   Properties
  -  element ↔ E 
read / write
  -  The element in the queue.  
  -  hashCode → int 
read-only, inherited
  -  The hash code for this object. [...]  
  -  runtimeType → Type 
read-only, inherited
  -  A representation of the runtime type of the object.  
  
   Methods
  -  append(E e) → void  
  -  Appends the given 
e as entry just after this entry.   -  nextEntry() → DoubleLinkedQueueEntry<E>  
  -  Returns the next entry or 
null if there is none.   -  prepend(E e) → void  
  -  Prepends the given 
e as entry just before this entry.   -  previousEntry() → DoubleLinkedQueueEntry<E>  
  -  Returns the previous entry or 
null if there is none.   -  remove() → E  
   -  noSuchMethod(Invocation invocation) → dynamic  
inherited
  -  Invoked when a non-existent method or property is accessed. [...]  
  -  toString() → String  
inherited
  -  Returns a string representation of this object.  
  
   Operators
  -  operator ==(dynamic other) → bool  
inherited
  -  The equality operator. [...]