/**
 * Parsed `skill://` URI components.
 */
export interface ParsedSkillUri {
    /** Full skill path segments — always at least one. The last segment is the skill name. */
    skillPathSegments: string[];
    /** The skill's name — the final segment of `<skill-path>`. */
    skillName: string;
    /**
     * Organisational prefix segments. Empty when `<skill-path>` is a single
     * segment.
     */
    prefixSegments: string[];
    /** File path segments relative to the skill directory; empty for directory URIs. */
    filePathSegments: string[];
    /** Whether this URI addresses the skill's `SKILL.md`. */
    isSkillMd: boolean;
    /** The full `<skill-path>` joined by `/`. */
    skillPath: string;
    /** The full `<file-path>` joined by `/`. */
    filePath: string;
}
/**
 * Test whether a URI uses the `skill://` scheme.
 */
export declare function isSkillUri(uri: string): boolean;
/**
 * Test whether a URI is the well-known discovery index.
 */
export declare function isSkillIndexUri(uri: string): boolean;
/**
 * Build a `skill://` URI from skill path segments and an optional file path.
 *
 * @example
 * buildSkillUri(['git-workflow'], 'SKILL.md') // skill://git-workflow/SKILL.md
 * buildSkillUri(['acme', 'billing', 'refunds'], 'templates/email.md')
 *   // skill://acme/billing/refunds/templates/email.md
 */
export declare function buildSkillUri(skillPathSegments: string[], filePath?: string): string;
/**
 * Parse a `skill://` URI into its components.
 *
 * Returns `undefined` for malformed URIs. The well-known
 * `skill://index.json` does NOT parse as a skill URI — it's reserved.
 *
 * SEP-2640 §URI Scheme: the first segment occupies the RFC 3986 authority
 * position (parsed before the path), so we re-attach it to the path here.
 */
export declare function parseSkillUri(uri: string): ParsedSkillUri | undefined;
/**
 * Parse a `skill://` URI knowing the registered skill path. This is the
 * preferred parse path when the registry can supply the skill-path
 * (e.g. when handling `read_resource` for a known skill). It correctly
 * splits sub-file paths like `skill://my-skill/scripts/extract.py`.
 */
export declare function parseSkillUriWithKnownSkill(uri: string, knownSkillPath: string): ParsedSkillUri | undefined;
/**
 * Validate a `<skill-path>` per SEP-2640: one or more `/`-separated
 * segments, final segment matches the agentskills naming rules. Prefix
 * segments are looser (just non-empty URI path segments).
 *
 * Returns the validated skill path (lowercased final segment). Throws on
 * malformed input.
 */
export declare function validateSkillPath(skillPath: string, expectedName: string): string[];
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