| Package | Description | 
|---|---|
| com.fasterxml.jackson.core | Main public API classes of the core streaming JSON
 processor: most importantly  JsonFactoryused for constructing
 JSON parser (JsonParser)
 and generator
 (JsonGenerator)
 instances. | 
| com.fasterxml.jackson.core.async | Package that contains abstractions needed to support optional
 non-blocking decoding (parsing) functionality. | 
| com.fasterxml.jackson.core.json.async | Non-blocking ("async") JSON parser implementation. | 
| Modifier and Type | Method and Description | 
|---|---|
| NonBlockingInputFeeder | JsonParser. getNonBlockingInputFeeder()Method that will either return a feeder instance (if parser uses
 non-blocking, aka asynchronous access); or  nullfor
 parsers that use blocking I/O. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | ByteArrayFeederNonBlockingInputFeederimplementation used when feeding data
 as byte arrays. | 
| interface  | ByteBufferFeederNonBlockingInputFeederimplementation used when feeding data
 asByteBuffercontents. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | NonBlockingJsonParserNon-blocking parser implementation for JSON content. | 
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