}

    /**
     * Escapes a callback name.
     * @param callbackName The callback name.
     * @return The escaped callback name.
     */
    protected String escapeCallbackName(final String callbackName) {
        return "/**/" + callbackName.replaceAll("[^0-9a-zA-Z_\\$\\.]", StringUtil.EMPTY);
    }

    /**
     * Escapes a JSON object.
     * @param obj The object to escape.

cpovirk <******@****.***> 1721404771 -0700

        // Test escaping functionality through escape parameter
        assertEquals("test", getQuery("test", new String[0], Collections.emptyMap(), Collections.emptyMap(), false));
        assertEquals("test", getQuery("test", new String[0], Collections.emptyMap(), Collections.emptyMap(), true));

        // Test specific characters that should be escaped

                result = result.replace(ESCAPED_QUOTE, "\"");
            }
        }

        return result;

    }

    /**
     * Quote and escape input value for CSV
     *
     * @param original Original text.
     * @return Escaped text.
     */
    public static String quoteEscape(final String original) {
        String result = original;

        if (result.indexOf('\"') >= 0) {

    }

    @Test
    public void test_unescape() throws Exception {
        // Test with escaped characters (backslash sequences)
        String content = "test\\t1\n" + // escaped tab sequence
                "test\\n2\n" + // escaped newline sequence
                "test3\n"; // no escape

        // Write content to test file
        writeTestFile(content);

        // Reload the file

      result.write(this, i)
      // Consume '"'.
      readByte()
      return result.readUtf8()
    }

    if (size == i + 1L) return null // Dangling escape.
    result.write(this, i)
    // Consume '\'.
    readByte()
    result.write(this, 1L) // The escaped character.
  }
}

/**
 * Consumes and returns a non-empty token, terminating at special characters in

            return OptionalThing.of(key.toString());
        }
        return OptionalThing.empty();
    }

    /**
     * Escapes special characters in a value string for safe logging.
     *
     * @param action the string value to escape
     * @return the escaped string with tabs replaced by spaces
     */
    protected String escapeValue(final String action) {
        return action.replace('\t', ' ');
    }

	if !ok {
		err := errLikeNonStrArg
		return nil, errLikeInvalidInputs(err)
	}

	escape := runeZero
	if e.EscapeChar != nil {
		escapeVal, err2 := e.EscapeChar.evalNode(r, tableAlias)
		if err2 != nil {
			return nil, err2
		}

		inferTypeAsString(escapeVal)

		escapeStr, ok := escapeVal.ToString()
		if !ok {
			err := errLikeNonStrArg
			return nil, errLikeInvalidInputs(err)
		}

});
```

### Text Processing and JSON
```java
import org.codelibs.core.text.*;

// JSON utilities with proper escaping
String escaped = JsonUtil.escape("Hello \"World\" with special chars");
String unescaped = JsonUtil.unescape(escaped);

// Text tokenization
Tokenizer tokenizer = new Tokenizer("field1,field2,field3", ",");
while (tokenizer.hasMoreTokens()) {

                for (String warning in warnings) {
                    // Escape " because we're going to quote the warning
                    String escaped = warning.replaceAll('"', '\\\\"')
                    /* Quote the warning in case it starts with [ which makes
                     * it look too much like an array. */
                    current.println("         - \"$escaped\"")
                }
            }