*/
    protected String servletPath;

    /**
     * Constructs a WebApiRequest with the specified request and servlet path.
     *
     * @param request The original HTTP servlet request
     * @param servletPath The custom servlet path for this web API request
     */
    public WebApiRequest(final HttpServletRequest request, final String servletPath) {
        super(request);

   */
  protected abstract List<Character> create(Character[] elements);

  @Override
  public Character[] createArray(int length) {
    return new Character[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<Character> order(List<Character> insertionOrder) {
    return insertionOrder;
  }

   * #create(Object...)}.
   */
  protected abstract List<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<String> order(List<String> insertionOrder) {
    return insertionOrder;
  }

/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

            buf.append(',');
            buf.append(quoteEscape(pos));
        }
        return buf.toString();
    }

    private static String quoteEscape(final String original) {
        String result = original;

        if (result.indexOf('\"') >= 0) {
            result = result.replace("\"", "\"\"");
        }
        if (result.indexOf(',') >= 0) {
            return "\"" + result + "\"";

        // Extract the encoded part
        String extractedEncoded = fullFieldName.substring(Constants.FACET_FIELD_PREFIX.length());
        assertEquals(encodedFieldName, extractedEncoded);

        // Decode back to original
        String extractedFieldName = new String(BaseEncoding.base64().decode(extractedEncoded), StandardCharsets.UTF_8);
        assertEquals(originalFieldName, extractedFieldName);
    }

    assertSideEffectFree(hash);
    assertReadableBytes(hash);
  }

  private static void assertSideEffectFree(HashCode hash) {
    byte[] original = hash.asBytes();
    byte[] mutated = hash.asBytes();
    mutated[0]++;
    assertTrue(Arrays.equals(original, hash.asBytes()));
  }

  private static void assertReadableBytes(HashCode hashCode) {
    assertTrue(hashCode.bits() >= 32); // sanity

/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

 */
public class WebApiResponse extends HttpServletResponseWrapper {

    /**
     * Constructs a WebApiResponse with the specified response.
     *
     * @param response The original HTTP servlet response
     */
    public WebApiResponse(final HttpServletResponse response) {
        super(response);
    }

    /**
     * Gets a PrintWriter for writing response content.

   * #create(Object...)}.
   */
  protected abstract List<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<String> order(List<String> insertionOrder) {
    return insertionOrder;
  }