Itextpdf

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itextpdf</artifactId>
    <version>5.5.6-SNAPSHOT</version>
</dependency>

compile group: 'com.itextpdf', name: 'itextpdf', version: '5.5.6-SNAPSHOT'

compile 'com.itextpdf:itextpdf:5.5.6-SNAPSHOT'

libraryDependencies += "com.itextpdf" % "itextpdf" % "5.5.6-SNAPSHOT"

<dependency org="com.itextpdf" name="itextpdf" rev="5.5.6-SNAPSHOT"/>

@Grapes(
            @Grab(group='com.itextpdf', module='itextpdf', version='5.5.6-SNAPSHOT')
        )

[com.itextpdf/itextpdf "5.5.6-SNAPSHOT"]

'com.itextpdf:itextpdf:jar:5.5.6-SNAPSHOT'