==map:collation==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:collation</strong>($map as map(*)) as xs:string</code>
|-
==map:contains==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:contains</strong>($map as map(*), $key as item()) as xs:boolean</code>
|-
==map:entry==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:entry</strong>($key as item(), $value as item()*) as map(*)</code>
|-
==map:get==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:get</strong>($map as map(*), $key as item()) as item()*</code>
|-
==map:keys==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:keys</strong>($map as map(*)) as xs:anyAtomicType*</code>
|-
==map:new==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:new</strong>() as map(*)</code><br/><code><strong>map:new</strong>($maps as map(*)*) as map(*)</code><br/><code><strong>map:new</strong>($maps as map(*)*, $coll as xs:string) as map(*)</code>
|-
==map:remove==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:remove</strong>($map as map(*), $key as item()) as map(*)</code><br/>
|-
==map:size==
{|
| width='90' valign='top' | '''Signatures'''
|<code><strong>map:size</strong>($map as map(*)) as xs:integer</code><br/>
|-