@Override
    public GetRevisionResult getRevision(GetRevisionRequest request) {
        request = beforeClientExecution(request);
        return executeGetRevision(request);
    }
<p>
Returns a revision data object for a specified document ID and block address. Also returns a proof of the
specified revision for verification if <code>DigestTipAddress</code> is provided.
</p>

@param getRevisionRequest
@return Result of the GetRevision operation returned by the service.
@throws InvalidParameterException
        One or more parameters in the request aren't valid.
@throws ResourceNotFoundException
        The specified resource doesn't exist.
@throws ResourcePreconditionNotMetException
        The operation failed because a condition wasn't satisfied in advance.
@sample AmazonQLDB.GetRevision
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/qldb-2019-01-02/GetRevision" target="_top">AWS API
     Documentation</a>
aws-java-sdk-qldb/src/main/java/com/amazonaws/services/qldb/AmazonQLDBClient.java