@Override
    public LocalAsyncSession createAsyncSession(AsyncParameters parameters) {
        return new LocalAsyncSession(parameters, this);
    }
The main class of the local implementation of the document api.
To easily obtain an instance of this, with the documents using the schemas (.sd-files) in a given directoy,
use the {@code com.yahoo.vespa.application} test module and {@code DocumentAccesses.ofSchemas(schemaDirectory)}

@author bratseth
@author jonmv
documentapi/src/main/java/com/yahoo/documentapi/local/LocalDocumentAccess.java