public void setAssociationType(String associationType) {
        this.associationType = associationType;
    }
<p>
Describes the strength of the association between the package and package group. A strong match is also known as
an exact match, and a weak match is known as a relative match.
</p>

@param associationType
       Describes the strength of the association between the package and package group. A strong match is also
       known as an exact match, and a weak match is known as a relative match.
@see PackageGroupAssociationType
aws-java-sdk-codeartifact/src/main/java/com/amazonaws/services/codeartifact/model/GetAssociatedPackageGroupResult.java