/**
 * Parse a GitHub repo URL into its owner and repo components.
 * Returns nulls if the URL doesn't match github.com/{owner}/{repo}.
 *
 * Used in:
 *   - ItemCard avatar fallback (owner avatar via GitHub avatars
 *     API; component name retained for V1 published API stability)
 *   - App detail page (showing owner + repo name in breadcrumb / header)
 *   - Anywhere we need to display "@owner / repo" or link to the owner
 */
export declare function getOwnerAndRepoFromRepoUrl(repoUrl: string): {
    owner: string | null;
    repo: string | null;
};
/**
 * Build a GitHub avatar URL for a given owner.
 * Returns null if owner is null/empty.
 */
export declare function getOwnerAvatarUrl(owner: string | null, size?: number): string | null;
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