public java.util.List<ActiveContext> getActiveContexts() {
        return activeContexts;
    }
<p>
A list of contexts active for the request. A context can be activated when a previous intent is fulfilled, or by
including the context in the request,
</p>
<p>
If you don't specify a list of contexts, Amazon Lex will use the current list of contexts for the session. If you
specify an empty list, all contexts for the session are cleared.
</p>

@return A list of contexts active for the request. A context can be activated when a previous intent is
        fulfilled, or by including the context in the request,</p>
        <p>
        If you don't specify a list of contexts, Amazon Lex will use the current list of contexts for the
        session. If you specify an empty list, all contexts for the session are cleared.
aws-java-sdk-lex/src/main/java/com/amazonaws/services/lexruntime/model/PutSessionRequest.java