public java.util.List<TagSpecification> getTagSpecifications() {
        if (tagSpecifications == null) {
            tagSpecifications = new com.amazonaws.internal.SdkInternalList<TagSpecification>();
        }
        return tagSpecifications;
    }
<p>
<code>tag</code>:&lt;key&gt; - The key/value combination of a tag assigned to the resource. Use the tag key in
the filter name and the tag value as the filter value. For example, to find all resources that have a tag with
the key <code>Owner</code> and the value <code>TeamA</code>, specify <code>tag:Owner</code> for the filter name
and <code>TeamA</code> for the filter value.
</p>

@return <code>tag</code>:&lt;key&gt; - The key/value combination of a tag assigned to the resource. Use the tag
        key in the filter name and the tag value as the filter value. For example, to find all resources that
        have a tag with the key <code>Owner</code> and the value <code>TeamA</code>, specify
        <code>tag:Owner</code> for the filter name and <code>TeamA</code> for the filter value.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/AcceptAddressTransferRequest.java