for (int i = 0; i < sz; i++) {
            if (isAsciiPrintable(cs.charAt(i)) == false) {
                return false;
            }
        }
        return true;
    }

    private static boolean isAsciiPrintable(final char ch) {
        return ch >= 32 && ch < 127;
    }

    /**
     * Creates a new String from a char array.
     * <p>

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Crie parâmetros de formulário da mesma forma que você faria para `Body` ou `Query`:

{* ../../docs_src/request_forms/tutorial001_an_py39.py hl[9] *}

Por exemplo, em uma das maneiras que a especificação OAuth2 pode ser usada (chamada "fluxo de senha"), é necessário enviar um `username` e uma `password` como campos do formulário.

                continue;
            }

            char ch = s.charAt(pos);
            pos++;
            if (ch == '\\') {
                sb.append(ch);
                if (pos >= end) {
                    break; // ERROR, or let it go?
                }
                ch = s.charAt(pos);
                pos++;
            }

            sb.append(ch);
        }

        assertEquals(testStringTrue.length() + 1, unicodeStringTrue.buffer.length, "Buffer length should include zterm");
        for (int i = 0; i < testStringTrue.length(); i++) {
            assertEquals(testStringTrue.charAt(i), (char) unicodeStringTrue.buffer[i], "Character mismatch");
        }
        assertEquals(0, unicodeStringTrue.buffer[testStringTrue.length()], "Last character should be zero");

                }
            } else if (Character.isDigit(line.charAt(0))) {
                final char[] data = line.toCharArray();
                int ip, i, j;
                Name name;
                NbtAddress addr;
                char c = '.';

                ip = i = 0;
                for (; i < data.length && c == '.'; i++) {

  }

  /** Helper to manually escape a 7-bit ascii character */
  private String escapeAscii(char c) {
    Preconditions.checkArgument(c < 128);
    String hex = "0123456789ABCDEF";
    return "%" + hex.charAt((c >> 4) & 0xf) + hex.charAt(c & 0xf);
  }

            final StringBuilder regex = new StringBuilder();
            regex.append("^"); // Match from the start

            for (int i = 0; i < pattern.length(); i++) {
                final char c = pattern.charAt(i);
                if (c == '*') {
                    // Wildcard: matches any sequence of characters
                    regex.append(".*");
                } else if (c == '$') {

   */
  @Override
  public final String escape(String s) {
    checkNotNull(s); // GWT specific check (do not optimize)
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if ((c < replacementsLength && replacements[c] != null)
          || c > safeMaxChar
          || c < safeMinChar) {
        return escapeSlow(s, i);
      }
    }
    return s;
  }

            this.buffer[i] = (short) str.charAt(i);
        }
        if (zterm) {
            this.buffer[i] = (short) 0;
        }
    }

    @Override
    public String toString() {
        final int len = this.length / 2 - (this.zterm ? 1 : 0);
        final char[] ca = new char[len];
        for (int i = 0; i < len; i++) {
            ca[i] = (char) this.buffer[i];
        }