@@ -3402,6 +3402,20 @@ type zlib$brotliOptions = {
34023402 ...
34033403} ;
34043404
3405+ type zlib$zstdOptions = {
3406+ flush ?: number ,
3407+ finishFlush ?: number ,
3408+ chunkSize ?: number ,
3409+ params ?: {
3410+ [ number ] : boolean | number ,
3411+ ...
3412+ } ,
3413+ maxOutputLength ?: number ,
3414+ info ?: boolean ,
3415+ dictionary ?: Buffer ,
3416+ ...
3417+ } ;
3418+
34053419type zlib$syncFn = (
34063420 buffer : Buffer | $TypedArray | DataView | ArrayBuffer | string ,
34073421 options ? : zlib$options ,
@@ -3579,6 +3593,79 @@ declare module 'zlib' {
35793593 BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2 : number ,
35803594 BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES : number ,
35813595 BROTLI_DECODER_ERROR_UNREACHABL : number ,
3596+
3597+ ZSTD_COMPRESS : number ,
3598+ ZSTD_DECOMPRESS : number ,
3599+
3600+ // Default compression level for zstd streams
3601+ ZSTD_CLEVEL_DEFAULT : number ,
3602+
3603+ // Keys for zlib$zstdOptions['params']
3604+ ZSTD_c_compressionLevel : number ,
3605+ ZSTD_c_windowLog : number ,
3606+ ZSTD_c_hashLog : number ,
3607+ ZSTD_c_chainLog : number ,
3608+ ZSTD_c_searchLog : number ,
3609+ ZSTD_c_minMatch : number ,
3610+ ZSTD_c_targetLength : number ,
3611+ ZSTD_c_strategy : number ,
3612+ ZSTD_c_enableLongDistanceMatching : number ,
3613+ ZSTD_c_ldmHashLog : number ,
3614+ ZSTD_c_ldmMinMatch : number ,
3615+ ZSTD_c_ldmBucketSizeLog : number ,
3616+ ZSTD_c_ldmHashRateLog : number ,
3617+ ZSTD_c_contentSizeFlag : number ,
3618+ ZSTD_c_checksumFlag : number ,
3619+ ZSTD_c_dictIDFlag : number ,
3620+ ZSTD_c_nbWorkers : number ,
3621+ ZSTD_c_jobSize : number ,
3622+ ZSTD_c_overlapLog : number ,
3623+
3624+ // Flush opereations
3625+ ZSTD_e_continue : number ,
3626+ ZSTD_e_flush : number ,
3627+ ZSTD_e_end : number ,
3628+
3629+ // Values for the ZSTD_c_strategy paramater
3630+ ZSTD_fast : number ,
3631+ ZSTD_dfast : number ,
3632+ ZSTD_greedy : number ,
3633+ ZSTD_lazy : number ,
3634+ ZSTD_lazy2 : number ,
3635+ ZSTD_btlazy2 : number ,
3636+ ZSTD_btopt : number ,
3637+ ZSTD_btultra : number ,
3638+ ZSTD_btultra2 : number ,
3639+
3640+ // Error codes
3641+ ZSTD_error_no_error : number ,
3642+ ZSTD_error_GENERIC : number ,
3643+ ZSTD_error_prefix_unknown : number ,
3644+ ZSTD_error_version_unsupported : number ,
3645+ ZSTD_error_frameParameter_unsupported : number ,
3646+ ZSTD_error_frameParameter_windowTooLarge : number ,
3647+ ZSTD_error_corruption_detected : number ,
3648+ ZSTD_error_checksum_wrong : number ,
3649+ ZSTD_error_literals_headerWrong : number ,
3650+ ZSTD_error_dictionary_corrupted : number ,
3651+ ZSTD_error_dictionary_wrong : number ,
3652+ ZSTD_error_dictionaryCreation_failed : number ,
3653+ ZSTD_error_parameter_unsupported : number ,
3654+ ZSTD_error_parameter_combination_unsupported : number ,
3655+ ZSTD_error_parameter_outOfBound : number ,
3656+ ZSTD_error_tableLog_tooLarge : number ,
3657+ ZSTD_error_maxSymbolValue_tooLarge : number ,
3658+ ZSTD_error_maxSymbolValue_tooSmall : number ,
3659+ ZSTD_error_stabilityCondition_notRespected : number ,
3660+ ZSTD_error_stage_wrong : number ,
3661+ ZSTD_error_init_missing : number ,
3662+ ZSTD_error_memory_allocation : number ,
3663+ ZSTD_error_workSpace_tooSmall : number ,
3664+ ZSTD_error_dstSize_tooSmall : number ,
3665+ ZSTD_error_srcSize_wrong : number ,
3666+ ZSTD_error_dstBuffer_null : number ,
3667+ ZSTD_error_noForwardProgress_destFull : number ,
3668+ ZSTD_error_noForwardProgress_inputEmpty : number ,
35823669 ...
35833670 } ;
35843671 declare var codes : {
@@ -3598,6 +3685,8 @@ declare module 'zlib' {
35983685 }
35993686 declare class BrotliCompress extends Zlib { }
36003687 declare class BrotliDecompress extends Zlib { }
3688+ declare class ZstdCompress extends Zlib { }
3689+ declare class ZstdDecompress extends Zlib { }
36013690 declare class Deflate extends Zlib { }
36023691 declare class Inflate extends Zlib { }
36033692 declare class Gzip extends Zlib { }
@@ -3618,6 +3707,10 @@ declare module 'zlib' {
36183707 declare function createGzip ( options ?: zlib$options ) : Gzip ;
36193708 declare function createGunzip ( options ?: zlib$options ) : Gunzip ;
36203709 declare function createUnzip ( options ?: zlib$options ) : Unzip ;
3710+ declare function createZstdCompress ( options ?: zlib$zstdOptions ) : ZstdCompress ;
3711+ declare function createZstdDecompress (
3712+ options ?: zlib$zstdOptions ,
3713+ ) : ZstdDecompress ;
36213714 declare var brotliCompress : zlib$brotliAsyncFn ;
36223715 declare var brotliCompressSync : zlib$brotliSyncFn ;
36233716 declare var brotliDeompress : zlib$brotliAsyncFn ;
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