/**
 * Shared Source Adapter Utilities - SMI-879
 *
 * Consolidates duplicated code patterns from GitHub, GitLab, and RawUrl adapters.
 * Provides common utilities for content decoding, error handling, and response processing.
 */
/**
 * Standard skill file paths to search for
 */
export declare const SKILL_FILE_PATHS: string[];
/**
 * Decode base64 encoded content (used by GitHub and GitLab APIs)
 *
 * Previously duplicated in:
 * - GitHubSourceAdapter.ts:356-367
 * - GitLabSourceAdapter.ts:376-386
 *
 * @param content - The encoded content string
 * @param encoding - The encoding type ('base64' or 'text')
 * @returns Decoded string content
 */
export declare function decodeBase64Content(content: string, encoding: string): string;
/**
 * Check if an HTTP status code indicates a rate limit error
 *
 * @param status - HTTP status code
 * @returns true if rate limit error
 */
export declare function isRateLimitStatus(status: number): boolean;
/**
 * Check if an HTTP status code indicates a server error (retryable)
 *
 * @param status - HTTP status code
 * @returns true if server error
 */
export declare function isServerError(status: number): boolean;
/**
 * Check if an HTTP status code indicates not found
 *
 * @param status - HTTP status code
 * @returns true if not found
 */
export declare function isNotFoundStatus(status: number): boolean;
/**
 * Handle API response errors with proper error wrapping
 *
 * Previously duplicated error handling in:
 * - GitHubSourceAdapter.ts:166-170, 309-313
 * - GitLabSourceAdapter.ts:164-168, 324-328
 * - RawUrlSourceAdapter.ts:113-114, 248-249
 *
 * @param response - Fetch Response object
 * @param context - Context for error message (e.g., "GitHub API", "GitLab API")
 * @throws ApiError with appropriate code and context
 */
export declare function handleApiError(response: Response, context: string, options?: {
    url?: string;
}): Promise<never>;
/**
 * Check response and throw appropriate error if not OK
 *
 * @param response - Fetch Response object
 * @param context - Context for error message
 * @throws ApiError if response is not OK
 */
export declare function assertResponseOk(response: Response, context: string, options?: {
    url?: string;
}): Promise<void>;
/**
 * Parse rate limit headers from response
 *
 * @param response - Fetch Response object
 * @returns Rate limit info or null if not available
 */
export declare function parseRateLimitHeaders(response: Response): {
    remaining: number | null;
    limit: number | null;
    reset: Date | null;
};
/**
 * Map common repository fields from API response
 *
 * @param source - Source type ('github' | 'gitlab')
 * @param item - API response item
 * @returns Normalized repository object
 */
export interface NormalizedRepository {
    id: string;
    name: string;
    fullName: string;
    url: string;
    description: string | null;
    stars: number;
    language: string | null;
    updatedAt: string;
    isPrivate: boolean;
    defaultBranch: string;
}
/**
 * Extract default branch from repository data
 *
 * @param item - API response with branch info
 * @param defaultValue - Default value if not found
 */
export declare function extractDefaultBranch(item: {
    default_branch?: string;
    defaultBranch?: string;
}, defaultValue?: string): string;
/**
 * Build pagination parameters for API requests
 *
 * @param page - Page number (1-indexed)
 * @param perPage - Items per page
 * @returns URL search params string
 */
export declare function buildPaginationParams(page: number, perPage: number): string;
/**
 * Safely parse JSON response with error handling
 *
 * @param response - Fetch Response object
 * @param context - Context for error message
 * @returns Parsed JSON data
 */
export declare function parseJsonResponse<T>(response: Response, context: string): Promise<T>;
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