public ExternalStorageLocation getExternalStorageLocation(
            String path, String operation, String type) {
        return executionService.getExternalStorageLocation(path, operation, type);
    }
Get the external storage location where the workflow input payload is stored/to be stored

@param path the path for which the external storage location is to be populated
@param operation the operation to be performed (read or write)
@param type the type of payload (input or output)
@return {@link ExternalStorageLocation} containing the uri and the path to the payload is
    stored in external storage
core/src/main/java/com/netflix/conductor/service/WorkflowServiceImpl.java