public Builder setKeyStoreKeyType(X509KeyType keyType) {
      keyStoreKeyType = keyType;
      return this;
    }
Sets the key store key type. The private key generated for the test context will be of this
type.
@param keyType the key type.
@return this Builder.
hbase-common/src/test/java/org/apache/hadoop/hbase/io/crypto/tls/X509TestContext.java