Here are the classes, structs, unions and interfaces with brief descriptions:
[detail level 123]
  Json | JSON (JavaScript Object Notation) |
   Features | Configuration passed to reader and writer |
 Reader | Unserialize a JSON document into a Value |
  StructuredError | An error tagged with where in the JSON text it was encountered |
| CharReader | Interface for reading JSON from a char array |
| Factory | |
| CharReaderBuilder | Build a CharReader implementation |
| Exception | Base class for all exceptions we throw |
| RuntimeError | Exceptions which the user cannot easily avoid |
| LogicError | Exceptions thrown by JSON_ASSERT/JSON_FAIL macros |
| StaticString | Lightweight wrapper to tag static string |
| Value | Represents a JSON value |
| PathArgument | Experimental and untested: represents an element of the "path" to access a node |
| Path | Experimental and untested: represents a "path" to access a node |
| ValueIteratorBase | Base class for Value iterators |
| ValueConstIterator | Const iterator for object and array value |
| ValueIterator | Iterator for object and array value |
| StreamWriter | Usage: |
| Factory | A simple abstract factory |
| StreamWriterBuilder | Build a StreamWriter implementation |
| Writer | Abstract class for writers |
| FastWriter | Outputs a Value in JSON format without formatting (not human friendly) |
| StyledWriter | Writes a Value in JSON format in a human friendly way |
| StyledStreamWriter | Writes a Value in JSON format in a human friendly way, to a stream rather than to a string |