# Packages

## SolrExpress.Core

Core library with main logic and generic implementations.

## SolrExpress.Solr4

Provider for SOLR 4, full compatibility with the Solr 4.X.

Implementation using default query handler and mechanism provided by request parameters.

## SolrExpress.Solr5

Provider for SOLR 5, full compatibility with the Solr 5.X.

Implementation using default query handler and mechanism provided by JSON Request API.

## SolrExpress.DI.Autofac

Provider for Autofac Dependency Injection.

## SolrExpress.DI.CoreClr

Provider for native .Net Core Dependency Injection.

## SolrExpress.DI.Ninject

Provider for Ninject Dependency Injection.

## SolrExpress.DI.SimpleInjector

Provider for Simple injector Dependency Injection.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://solr-express.gitbook.io/docs/5.2.0/about-solr-express/about/packages.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.