import type { SkillRequirements } from "./types.js";
/**
 * Extract YAML frontmatter from a SKILL.md string.
 *
 * Frontmatter is delimited by leading `---` fences. Returns the parsed object,
 * or an empty object `{}` if no frontmatter block is found or if the YAML is malformed.
 * Errors are silently swallowed — callers should treat an empty result as "no requirements".
 *
 * @param content - Raw SKILL.md file content (full string, including `---` fences)
 * @returns Parsed frontmatter object, or `{}` on absence or parse failure
 *
 * @docLink packages/resolver/api-reference#parseskill-frontmatter
 */
export declare function parseSkillFrontmatter(content: string): Record<string, any>;
/**
 * Parse skill requirements from raw SKILL.md content into a `SkillRequirements` object.
 *
 * Supports two frontmatter formats:
 * 1. **New format** — `metadata.prerequisites` with explicit
 *    `files`, `inputs_required`, `inputs_optional`, `reads`, `produces`, and `resources` arrays.
 * 2. **Legacy format** — `metadata.user_inputs.dialog[]` array, automatically promoted to
 *    `inputs_required` / `inputs_optional` based on each entry's `required` flag.
 *
 * Returns empty requirements `{ files: [], inputs_required: [], inputs_optional: [], reads: [], produces: [], resources: [] }`
 * when no recognisable prerequisites section is found.
 *
 * @param content - Raw SKILL.md file content (full string, including `---` fences)
 * @returns Structured `SkillRequirements` (never throws)
 *
 * @docLink packages/resolver/api-reference#parseskill-requirements
 */
export declare function parseSkillRequirements(content: string): SkillRequirements;
/**
 * Extract compaction directives from a SKILL.md markdown body.
 *
 * Scans the markdown body (not frontmatter) for a `## Compaction Directives` section
 * and returns each bullet point as a trimmed string. Compaction directives are hints
 * the agent uses to summarise context when the conversation history grows long.
 * Returns an empty array when the section is absent.
 *
 * @param content - Raw SKILL.md file content (full string including frontmatter and body)
 * @returns Array of directive strings extracted from the bullet list, or `[]` if none found
 *
 * @docLink packages/resolver/api-reference#parse-compaction-directives
 */
export declare function parseCompactionDirectives(content: string): string[];
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