import type { ValidateOptions, ValidationResult } from './types.js';
/**
 * Validate an Agent Skill (SKILL.md file)
 *
 * Uses ResourceRegistry for markdown/link validation
 * Adds skill-specific validation (frontmatter schema, skill rules)
 *
 * @see https://code.claude.com/docs/en/skills — Official Claude Code skill spec
 * @param options - Validation options
 * @returns Validation result with all validation issues
 */
export declare function validateSkill(options: ValidateOptions): Promise<ValidationResult>;
/** Result of finding an implicit (non-markdown-link) reference to a file */
export interface ImplicitReference {
    /** Relative path of the referenced file (e.g., "references/domain-template.md") */
    referencedFile: string;
    /** Absolute path of the file containing the reference */
    foundIn: string;
    /** The matched text snippet (for diagnostics) */
    matchedText: string;
    /** Line number where found (1-based) */
    line: number;
}
/**
 * Scan BFS-visited files for implicit (non-markdown-link) references to unreferenced files.
 *
 * "Implicit reference" means the file path appears in the text bounded by delimiter
 * characters (backticks, parens, whitespace, etc.) but NOT as a standard markdown link.
 *
 * @param skillDir - Absolute path to the skill directory
 * @param unreferencedFiles - Relative paths of .md files not found by BFS traversal
 * @param visitedFiles - Absolute paths of files visited during BFS (to scan for references)
 * @returns Array of implicit references found
 */
export declare function extractImplicitReferences(_skillDir: string, unreferencedFiles: readonly string[], visitedFiles: ReadonlySet<string>): ImplicitReference[];
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