method SubtleCrypto.importKey
          
Private
SubtleCrypto.importKey(): Promise<CryptoKey> 
      Promise<CryptoKey>
      
    
SubtleCrypto.importKey(format: Exclude<KeyFormat, "jwk">,keyData: BufferSource,algorithm: ,extractable: boolean,keyUsages: KeyUsage[],): Promise<CryptoKey> 
      Promise<CryptoKey>