method SubtleCrypto.importKey SubtleCrypto.importKey(format: "jwk"keyData: JsonWebKeyalgorithm: | AlgorithmIdentifier | HmacImportParams | RsaHashedImportParams | EcKeyImportParamsextractable: booleankeyUsages: KeyUsage[]): Promise<CryptoKey> SubtleCrypto.importKey(format: Exclude<KeyFormat, "jwk">keyData: BufferSourcealgorithm: | AlgorithmIdentifier | HmacImportParams | RsaHashedImportParams | EcKeyImportParamsextractable: booleankeyUsages: KeyUsage[]): Promise<CryptoKey> Parameters format: "jwk" keyData: JsonWebKey algorithm: | AlgorithmIdentifier | HmacImportParams | RsaHashedImportParams | EcKeyImportParams extractable: boolean keyUsages: KeyUsage[] Return Type Promise<CryptoKey> Parameters format: Exclude<KeyFormat, "jwk"> keyData: BufferSource algorithm: | AlgorithmIdentifier | HmacImportParams | RsaHashedImportParams | EcKeyImportParams extractable: boolean keyUsages: KeyUsage[] Return Type Promise<CryptoKey>