public GenerateDataKeyPairRequest clearEncryptionContextEntries() {
        this.encryptionContext = null;
        return this;
    }
Removes all the entries added into EncryptionContext.

@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-kms/src/main/java/com/amazonaws/services/kms/model/GenerateDataKeyPairRequest.java