flexmark-java collection utilities

<!-- https://jarcasting.com/artifacts/com.vladsch.flexmark/flexmark-util-collection/ -->
<dependency>
    <groupId>com.vladsch.flexmark</groupId>
    <artifactId>flexmark-util-collection</artifactId>
    <version>0.64.0</version>
</dependency>

// https://jarcasting.com/artifacts/com.vladsch.flexmark/flexmark-util-collection/
implementation 'com.vladsch.flexmark:flexmark-util-collection:0.64.0'

// https://jarcasting.com/artifacts/com.vladsch.flexmark/flexmark-util-collection/
implementation ("com.vladsch.flexmark:flexmark-util-collection:0.64.0")

'com.vladsch.flexmark:flexmark-util-collection:jar:0.64.0'

<dependency org="com.vladsch.flexmark" name="flexmark-util-collection" rev="0.64.0">
  <artifact name="flexmark-util-collection" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.vladsch.flexmark', module='flexmark-util-collection', version='0.64.0')
)

libraryDependencies += "com.vladsch.flexmark" % "flexmark-util-collection" % "0.64.0"

[com.vladsch.flexmark/flexmark-util-collection "0.64.0"]