public Builder kmsMaterialsDescription(Map<String, String> kmsMaterialsDescription) {
            this.kmsMaterialsDescription = kmsMaterialsDescription;
            return this;
        }
when decrypting, the materials description received from KMS
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/crypto/keywrap/KMSKeyWrapperContext.java