/**
 * Centralized regex patterns for filename validation and parsing
 * All patterns are case-insensitive for matching but normalized to lowercase
 *
 * Note: While these patterns include state in filenames for visibility,
 * the source of truth for an item's state is its frontmatter. The sync command
 * ensures filename and filesystem location match the frontmatter state.
 */
declare const PATTERNS: {
    /**
     * Pattern for files in state directories (_*): {uuid}-{type}-{state}.md
     * Example: abc1-bug-active.md
     *
     * Note: State in filename should match frontmatter state.
     * The sync command ensures this consistency.
     */
    STATE_FILE: RegExp;
    /**
     * Pattern for files in type directories:
     * - {uuid}-{type}.md
     * - {uuid}-{type}-{state}.md
     * - {uuid}-{type}-{state}-plan-{planid}.md
     *
     * Note: State in filename should match frontmatter state.
     * The sync command ensures this consistency.
     */
    TYPE_FILE: RegExp;
    /**
     * Pattern for archived files: {archive_alias}-{type}-{uuid}.md
     * Example: done-bug-abc1.md
     *
     * Note: Archive state should match frontmatter and optional archive_path configuration.
     * The sync command ensures this consistency.
     */
    ARCHIVE_FILE: RegExp;
    /**
     * Pattern for files with plan references: {uuid}-{type}-{state}-plan-{planid}.md
     * Example: abc1-bug-active-plan-def2.md
     *
     * Note: State in filename should match frontmatter state.
     * The sync command ensures this consistency.
     */
    PLAN_FILE: RegExp;
    /**
     * Pattern for simple files: {uuid}-{type}.md
     * Example: abc1-bug.md
     */
    INBOX_FILE: RegExp;
    /**
     * Pattern for UUID validation (4 chars)
     */
    UUID: RegExp;
    /**
     * Pattern for type validation (lowercase letters only)
     */
    TYPE: RegExp;
    /**
     * Pattern for state validation (lowercase letters only)
     */
    STATE: RegExp;
    /**
     * Pattern for archive alias validation (lowercase letters only)
     * Currently supports: 'archived' or 'done'
     */
    ARCHIVE_ALIAS: RegExp;
    /**
     * Pattern for plan ID validation (4 chars)
     */
    PLAN_ID: RegExp;
};

export { PATTERNS };