/**
 * Default configuration constants for remark-mask-text plugin
 *
 * These constants define the default behavior when no custom options
 * are provided to the plugin. They are chosen for maximum compatibility
 * and clarity across different languages and contexts.
 *
 * Why (Business Logic Background):
 * - Eliminate magic literals and clarify the intent of configuration values
 * - Enable centralized management when changing default values
 * - Improve code readability and maintainability
 * - Maintain consistency in multilingual and multicultural support
 */
/**
 * Default character used to mask text content
 *
 * The hash symbol (#) is chosen because:
 * - Universally recognized as a masking/redaction symbol
 * - Available on all keyboards and character sets
 * - Clear visual distinction from normal text
 * - Commonly used in privacy and security contexts
 */
export declare const DEFAULT_MASK_CHARACTER = "#";
/**
 * Default delimiter pattern for marking text to be masked
 *
 * The double colon (::) is chosen because:
 * - Low collision risk with standard Markdown syntax
 * - Visually distinct and easy to type
 * - Commonly used in various markup languages
 * - International keyboard compatibility
 */
export declare const DEFAULT_MASK_DELIMITER = "::";
/**
 * Maximum allowed length for delimiter strings
 *
 * Why (Business Logic Background):
 * - Prevent performance degradation due to extremely long delimiters
 * - Sufficient value as a practical delimiter length limit
 * - Keep regex compile time reasonable
 */
export declare const MAX_DELIMITER_LENGTH = 10;
/**
 * Error messages for consistent user feedback
 *
 * Why (Business Logic Background):
 * - Maintain consistency of error messages
 * - Simplify management for internationalization support
 * - Limit impact scope when changing messages
 */
export declare const ERROR_MESSAGES: {
    readonly DELIMITER_EMPTY: "Delimiter cannot be empty";
    readonly DELIMITER_WHITESPACE: "Delimiter cannot contain only whitespace";
    readonly DELIMITER_TOO_LONG: "Delimiter is too long";
    readonly MASK_CHAR_EMPTY: "Mask character cannot be empty";
    readonly MASK_CHAR_MULTIPLE: "Mask character must be exactly one character";
    readonly MASK_CHAR_WHITESPACE: "Mask character cannot be whitespace";
};
/**
 * Error details for enhanced debugging
 *
 * Why (Business Logic Background):
 * - Provide detailed information during debugging
 * - Enable developers to quickly identify error causes
 * - Provide consistent detailed messages
 */
export declare const ERROR_DETAILS: {
    readonly DELIMITER_REQUIRED: "A non-empty delimiter string is required for mask processing";
    readonly DELIMITER_WHITESPACE_ISSUE: "Whitespace-only delimiters would be difficult to distinguish in text";
    readonly MASK_CHAR_REQUIRED: "A non-empty mask character is required";
    readonly MASK_CHAR_WHITESPACE_ISSUE: "Whitespace characters would not provide effective masking";
};
/**
 * Node type constants to eliminate magic literals
 *
 * Why (Business Logic Background):
 * - Eliminate magic literals and improve type safety
 * - Improve maintainability through centralized node type management
 * - Support IDE auto-completion and refactoring
 */
export declare const NODE_TYPES: {
    readonly TEXT: "text";
    readonly HTML: "html";
    readonly LINK: "link";
};
/**
 * Error type constants to eliminate magic literals
 *
 * Why (Business Logic Background):
 * - Centralized error type management
 * - Improve code quality by eliminating magic literals
 * - Ensure consistency in error handling
 */
export declare const ERROR_TYPES: {
    readonly AST_TRANSFORMATION_ERROR: "AST_TRANSFORMATION_ERROR";
    readonly INVALID_NODE_STRUCTURE: "INVALID_NODE_STRUCTURE";
    readonly REGEX_PROCESSING_ERROR: "REGEX_PROCESSING_ERROR";
    readonly INVALID_DELIMITER: "INVALID_DELIMITER";
    readonly INVALID_MASK_CHARACTER: "INVALID_MASK_CHARACTER";
};
/**
 * Node property names used in AST manipulation
 *
 * Why (Business Logic Background):
 * - Eliminate magic string literals for property names
 * - Prevent typos in property access
 * - Enable safe refactoring with IDE support
 */
export declare const NODE_PROPERTIES: {
    readonly TYPE: "type";
    readonly VALUE: "value";
    readonly CHILDREN: "children";
    readonly URL: "url";
};
/**
 * Plugin metadata constants
 *
 * Why (Business Logic Background):
 * - Consistent plugin identification in logs
 * - Centralized management of plugin naming
 */
export declare const PLUGIN_METADATA: {
    readonly NAME: "[remark-mask-text]";
};
/**
 * Formatting constants used in AST manipulation
 *
 * Why (Business Logic Background):
 * - Centralize formatting strings
 * - Make formatting consistent across the codebase
 */
export declare const FORMATTING: {
    readonly NODE_PATH_SEPARATOR: " -> ";
    readonly TRUNCATION_SUFFIX: "...";
};
/**
 * Numeric limits used in processing
 *
 * Why (Business Logic Background):
 * - Make numeric limits configurable
 * - Document the purpose of each limit
 * - Easy to adjust limits if needed
 */
export declare const NUMERIC_LIMITS: {
    readonly ERROR_CONTEXT_MAX_LENGTH: 50;
    readonly DEFAULT_CACHE_SIZE: 100;
};
/**
 * Regular expression flags
 *
 * Why (Business Logic Background):
 * - Centralize regex flag definitions
 * - Document the purpose of flags used
 */
export declare const REGEX_FLAGS: {
    readonly GLOBAL: "g";
};