public boolean isAvailable() {
        return this.isAvailable;
    }
@return true if this Transcriber is probably able to transcribe right
now.
@since Tika 2.1
tika-parsers/tika-parsers-ml/tika-transcribe-aws/src/main/java/org/apache/tika/parser/transcribe/aws/AmazonTranscribe.java