| Class | Description | 
|---|---|
| MultiDirect | Multi Direct Index structure. | 
| MultiDirectIterablePostingWithOffset | This acts as a wrapper class that surrounds an IterablePosting object. | 
| MultiDoc | A Document index class that represents multiple document indices from
 different shards. | 
| MultiDocumentEntry | A document index entry that represents a document within a multi-index
 It stores information about the shard that the document comes from. | 
| MultiIndex | The central MultiIndex structure. | 
| MultiInverted | An inverted file implementation for a MultIndex. | 
| MultiIterablePosting | A posting list implementation used within a MultiIndex. | 
| MultiLexicon | A Lexicon index structure for use with a MultiIndex. | 
| MultiLexiconEntry | A Lexicon entry that spans multiple index shards. | 
| MultiMeta | A MetaIndex for use with a MultiIndex. | 
| MultiStats | A collection statistics class for use with a MultiIndex. | 
Provides MultiIndex structures. A MultiIndex is a combination of many smaller indices. Each MultiIndex structure provides an abstraction over the related structure within each sub-index.
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