code: AvroMultiRuntimeAppSubmissionParameters fromInputStream(final InputStream inputStream) throws IOException {
      final JsonDecoder decoder = DecoderFactory.get().jsonDecoder(
              AvroMultiRuntimeAppSubmissionParameters.getClassSchema(), inputStream);
      final SpecificDatumReader<AvroMultiRuntimeAppSubmissionParameters> reader = new SpecificDatumReader<>(
              AvroMultiRuntimeAppSubmissionParameters.class);
      return reader.read(null, decoder);
    }
docs: Reads avro object from input stream.
  
  @param inputStream The input stream to read from
  @return Avro object
  @throws IOException