@@ -3484,6 +3484,20 @@ type zlib$brotliOptions = {
34843484 ...
34853485} ;
34863486
3487+ type zlib$zstdOptions = {
3488+ flush ?: number ,
3489+ finishFlush ?: number ,
3490+ chunkSize ?: number ,
3491+ params ?: {
3492+ [ number ] : boolean | number ,
3493+ ...
3494+ } ,
3495+ maxOutputLength ?: number ,
3496+ info ?: boolean ,
3497+ dictionary ?: Buffer ,
3498+ ...
3499+ } ;
3500+
34873501type zlib$syncFn = (
34883502 buffer : Buffer | $TypedArray | DataView | ArrayBuffer | string ,
34893503 options ? : zlib$options ,
@@ -3661,6 +3675,79 @@ declare module 'zlib' {
36613675 BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2 : number ,
36623676 BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES : number ,
36633677 BROTLI_DECODER_ERROR_UNREACHABL : number ,
3678+
3679+ ZSTD_COMPRESS : number ,
3680+ ZSTD_DECOMPRESS : number ,
3681+
3682+ // Default compression level for zstd streams
3683+ ZSTD_CLEVEL_DEFAULT : number ,
3684+
3685+ // Keys for zlib$zstdOptions['params']
3686+ ZSTD_c_compressionLevel : number ,
3687+ ZSTD_c_windowLog : number ,
3688+ ZSTD_c_hashLog : number ,
3689+ ZSTD_c_chainLog : number ,
3690+ ZSTD_c_searchLog : number ,
3691+ ZSTD_c_minMatch : number ,
3692+ ZSTD_c_targetLength : number ,
3693+ ZSTD_c_strategy : number ,
3694+ ZSTD_c_enableLongDistanceMatching : number ,
3695+ ZSTD_c_ldmHashLog : number ,
3696+ ZSTD_c_ldmMinMatch : number ,
3697+ ZSTD_c_ldmBucketSizeLog : number ,
3698+ ZSTD_c_ldmHashRateLog : number ,
3699+ ZSTD_c_contentSizeFlag : number ,
3700+ ZSTD_c_checksumFlag : number ,
3701+ ZSTD_c_dictIDFlag : number ,
3702+ ZSTD_c_nbWorkers : number ,
3703+ ZSTD_c_jobSize : number ,
3704+ ZSTD_c_overlapLog : number ,
3705+
3706+ // Flush opereations
3707+ ZSTD_e_continue : number ,
3708+ ZSTD_e_flush : number ,
3709+ ZSTD_e_end : number ,
3710+
3711+ // Values for the ZSTD_c_strategy paramater
3712+ ZSTD_fast : number ,
3713+ ZSTD_dfast : number ,
3714+ ZSTD_greedy : number ,
3715+ ZSTD_lazy : number ,
3716+ ZSTD_lazy2 : number ,
3717+ ZSTD_btlazy2 : number ,
3718+ ZSTD_btopt : number ,
3719+ ZSTD_btultra : number ,
3720+ ZSTD_btultra2 : number ,
3721+
3722+ // Error codes
3723+ ZSTD_error_no_error : number ,
3724+ ZSTD_error_GENERIC : number ,
3725+ ZSTD_error_prefix_unknown : number ,
3726+ ZSTD_error_version_unsupported : number ,
3727+ ZSTD_error_frameParameter_unsupported : number ,
3728+ ZSTD_error_frameParameter_windowTooLarge : number ,
3729+ ZSTD_error_corruption_detected : number ,
3730+ ZSTD_error_checksum_wrong : number ,
3731+ ZSTD_error_literals_headerWrong : number ,
3732+ ZSTD_error_dictionary_corrupted : number ,
3733+ ZSTD_error_dictionary_wrong : number ,
3734+ ZSTD_error_dictionaryCreation_failed : number ,
3735+ ZSTD_error_parameter_unsupported : number ,
3736+ ZSTD_error_parameter_combination_unsupported : number ,
3737+ ZSTD_error_parameter_outOfBound : number ,
3738+ ZSTD_error_tableLog_tooLarge : number ,
3739+ ZSTD_error_maxSymbolValue_tooLarge : number ,
3740+ ZSTD_error_maxSymbolValue_tooSmall : number ,
3741+ ZSTD_error_stabilityCondition_notRespected : number ,
3742+ ZSTD_error_stage_wrong : number ,
3743+ ZSTD_error_init_missing : number ,
3744+ ZSTD_error_memory_allocation : number ,
3745+ ZSTD_error_workSpace_tooSmall : number ,
3746+ ZSTD_error_dstSize_tooSmall : number ,
3747+ ZSTD_error_srcSize_wrong : number ,
3748+ ZSTD_error_dstBuffer_null : number ,
3749+ ZSTD_error_noForwardProgress_destFull : number ,
3750+ ZSTD_error_noForwardProgress_inputEmpty : number ,
36643751 ...
36653752 } ;
36663753 declare var codes : {
@@ -3680,6 +3767,8 @@ declare module 'zlib' {
36803767 }
36813768 declare class BrotliCompress extends Zlib { }
36823769 declare class BrotliDecompress extends Zlib { }
3770+ declare class ZstdCompress extends Zlib { }
3771+ declare class ZstdDecompress extends Zlib { }
36833772 declare class Deflate extends Zlib { }
36843773 declare class Inflate extends Zlib { }
36853774 declare class Gzip extends Zlib { }
@@ -3700,6 +3789,10 @@ declare module 'zlib' {
37003789 declare function createGzip ( options ?: zlib$options ) : Gzip ;
37013790 declare function createGunzip ( options ?: zlib$options ) : Gunzip ;
37023791 declare function createUnzip ( options ?: zlib$options ) : Unzip ;
3792+ declare function createZstdCompress ( options ?: zlib$zstdOptions ) : ZstdCompress ;
3793+ declare function createZstdDecompress (
3794+ options ?: zlib$zstdOptions ,
3795+ ) : ZstdDecompress ;
37033796 declare var brotliCompress : zlib$brotliAsyncFn ;
37043797 declare var brotliCompressSync : zlib$brotliSyncFn ;
37053798 declare var brotliDeompress : zlib$brotliAsyncFn ;
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