## Uses of Interface
org.apache.lucene.util.NamedSPILoader.NamedSPI

- Packages that use NamedSPILoader.NamedSPI
  Package | Description
  --- | ---
  org.apache.lucene.codecs | Codecs API: API for customization of the encoding and structure of the index.
  org.apache.lucene.codecs.lucene80 | Components from the Lucene 8.0 index format See `org.apache.lucene.codecs.lucene84` for an overview of the index format.
  org.apache.lucene.codecs.lucene84 | Components from the Lucene 8.4 index format.
  org.apache.lucene.codecs.lucene87 | Lucene 8.7 file format.
  org.apache.lucene.codecs.perfield | Postings format that can delegate to different formats per-field.
  org.apache.lucene.index | Code to maintain and access indices.
  org.apache.lucene.search | Code to search indices.
  org.apache.lucene.util | Some utility classes.

- - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.codecs

    Classes in org.apache.lucene.codecs that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Codec` Encodes/decodes an inverted index segment.
    `class` | `DocValuesFormat` Encodes/decodes per-document values.
    `class` | `FilterCodec` A codec that forwards all its method calls to another codec.
    `class` | `PostingsFormat` Encodes/decodes terms, postings, and proximity data.

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.codecs.lucene80

    Classes in org.apache.lucene.codecs.lucene80 that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Lucene80DocValuesFormat` Lucene 8.0 DocValues format.

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.codecs.lucene84

    Classes in org.apache.lucene.codecs.lucene84 that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Lucene84PostingsFormat` Lucene 5.0 postings format, which encodes postings in packed integer blocks for fast decode.

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.codecs.lucene87

    Classes in org.apache.lucene.codecs.lucene87 that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Lucene87Codec` Implements the Lucene 8.6 index format, with configurable per-field postings and docvalues formats.

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.codecs.perfield

    Classes in org.apache.lucene.codecs.perfield that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `PerFieldDocValuesFormat` Enables per field docvalues support.
    `class` | `PerFieldPostingsFormat` Enables per field postings support.

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.index

    Classes in org.apache.lucene.index that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SortFieldProvider` Reads/Writes a named SortField from a segment info file, used to record index sorts

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.search

    Classes in org.apache.lucene.search that implement NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `SortedNumericSortField.Provider` A SortFieldProvider for this sort field
    `static class` | `SortedSetSortField.Provider` A SortFieldProvider for this sort
    `static class` | `SortField.Provider` A SortFieldProvider for field sorts

  - ### Uses of NamedSPILoader.NamedSPI in org.apache.lucene.util

    Classes in org.apache.lucene.util with type parameters of type NamedSPILoader.NamedSPI
    Modifier and Type | Class and Description
    --- | ---
    `class` | `NamedSPILoader<S extends NamedSPILoader.NamedSPI>` Helper class for loading named SPIs from classpath (e.g.

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