public static HttpResponse fromStream(ResponseHeaders headers, Stream<?> contentStream,
                                          Executor executor) {
        return fromStream(headers, contentStream, HttpHeaders.of(), executor, defaultMapper);
    }
Creates a new JSON Text Sequences from the specified {@link Stream}.

@param headers the HTTP headers supposed to send
@param contentStream the {@link Stream} which publishes the objects supposed to send as contents
@param executor the executor which iterates the stream
core/src/main/java/com/linecorp/armeria/server/streaming/JsonTextSequences.java