import type { AgentSkillMetadata } from '../../types/index.js';
/**
 * Format skill content as a SKILL.md with YAML frontmatter following the
 * Agent Skills spec (agentskills.io).
 */
export declare function formatAsAgentSkill(metadata: AgentSkillMetadata, body: string): string;
/**
 * Parse Agent Skills frontmatter from a SKILL.md string.
 * Returns the parsed metadata or null if the content has no valid frontmatter.
 */
export declare function parseAgentSkillFrontmatter(content: string): AgentSkillMetadata | null;
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