/**
 * Core constants for Legal Markdown processing
 *
 * This module contains fundamental constants for document processing,
 * including default options, supported formats, and error codes.
 */
/**
 * Default options for Legal Markdown processing
 * @example
 * ```typescript
 * import { DEFAULT_OPTIONS } from './constants';
 *
 * // Use default options
 * const options = { ...DEFAULT_OPTIONS, debug: true };
 *
 * // Override specific options
 * const customOptions = {
 *   ...DEFAULT_OPTIONS,
 *   yamlOnly: true,
 *   exportMetadata: true,
 *   exportFormat: 'json' as const
 * };
 * ```
 */
export declare const DEFAULT_OPTIONS: {
    /** Process only YAML frontmatter, skip content processing */
    yamlOnly: boolean;
    /** Skip processing of header structures */
    noHeaders: boolean;
    /** Skip processing of optional clauses */
    noClauses: boolean;
    /** Skip processing of cross-references */
    noReferences: boolean;
    /** Skip processing of import statements */
    noImports: boolean;
    /** Export metadata to external files */
    exportMetadata: boolean;
    /** Format for metadata export */
    exportFormat: "yaml";
    /** Enable debug logging */
    debug: boolean;
    /** Throw errors on YAML parsing failures */
    throwOnYamlError: boolean;
};
/**
 * Supported file formats for input and export operations
 * @example
 * ```typescript
 * import { SUPPORTED_FORMATS } from './constants';
 *
 * // Check if format is supported for export
 * const isExportSupported = SUPPORTED_FORMATS.EXPORT.includes('yaml');
 *
 * // Check if input format is supported
 * const isInputSupported = SUPPORTED_FORMATS.INPUT.includes('md');
 * ```
 */
export declare const SUPPORTED_FORMATS: {
    /** Supported export formats */
    readonly EXPORT: readonly ["yaml", "json"];
    /** Supported input formats */
    readonly INPUT: readonly ["md", "markdown"];
};
/**
 * File extensions for different document types
 * @example
 * ```typescript
 * import { FILE_EXTENSIONS } from './constants';
 *
 * // Check if file is markdown
 * const isMarkdown = FILE_EXTENSIONS.MARKDOWN.includes(path.extname(filename));
 *
 * // Check if file is YAML
 * const isYaml = FILE_EXTENSIONS.YAML.includes(path.extname(filename));
 * ```
 */
export declare const FILE_EXTENSIONS: {
    /** Markdown file extensions */
    readonly MARKDOWN: readonly [".md", ".markdown"];
    /** YAML file extensions */
    readonly YAML: readonly [".yml", ".yaml"];
    /** JSON file extensions */
    readonly JSON: readonly [".json"];
};
/**
 * Error codes for consistent error handling throughout the system
 * @example
 * ```typescript
 * import { ERROR_CODES } from './constants';
 *
 * // Use error codes in custom errors
 * throw new Error(ERROR_CODES.YAML_PARSING_ERROR);
 *
 * // Check error codes in error handling
 * if (error.code === ERROR_CODES.FILE_NOT_FOUND) {
 *   // Handle file not found error
 * }
 * ```
 */
export declare const ERROR_CODES: {
    /** YAML parsing error code */
    readonly YAML_PARSING_ERROR: "YAML_PARSING_ERROR";
    /** File not found error code */
    readonly FILE_NOT_FOUND: "FILE_NOT_FOUND";
    /** Import processing error code */
    readonly IMPORT_PROCESSING_ERROR: "IMPORT_PROCESSING_ERROR";
    /** Metadata export error code */
    readonly METADATA_EXPORT_ERROR: "METADATA_EXPORT_ERROR";
    /** Validation error code */
    readonly VALIDATION_ERROR: "VALIDATION_ERROR";
    /** General processing error code */
    readonly PROCESSING_ERROR: "PROCESSING_ERROR";
};
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