Rest API access to flowGraphTable

[Mike Nicholson]

Hello, 

I'm looking for a way to access the data provided by the flowGraphTable (aka "Pipeline Steps") for a job via a rest API.  My ultimate goal is a is a timeline visualization of the build flow illustrating the duration of each step as well as which executor they ran on - essentially a more detailed version of the blue ocean pipeline visualization.

I see that the pipeline-stage-view-plugin provides a rest api (https://github.com/jenkinsci/pipeline-stage-view-plugin/tree/master/rest-api) but this apears to be missing some data when compared with the detailed flowGraphTable output. 

Is there any api access to the data behind the flowGraphTable?

Regards, 

Mike