/**
 * Check if GitHub CLI is installed
 */
export declare function checkGhCli(): Promise<boolean>;
/**
 * Check if authenticated with GitHub CLI
 * Automatically attempts to refresh expired tokens before prompting re-login
 */
export declare function checkGhAuth(): Promise<boolean>;
/**
 * Validate all GitHub CLI requirements
 */
export declare function validateGhCli(): Promise<boolean>;
/**
 * Get GitHub CLI version
 * Returns version string like "2.40.1" or null if unable to determine
 */
export declare function getGhVersion(): Promise<string | null>;
/**
 * Check if GitHub CLI version meets minimum requirement
 * @param minVersion - Minimum required version (e.g., "2.4.0")
 * @returns true if version is sufficient, false otherwise
 */
export declare function checkGhVersion(minVersion?: string): Promise<boolean>;
/**
 * Run a GitHub CLI command
 */
export declare function runGh(args: string[], options?: {
    silent?: boolean;
}): Promise<string>;
/**
 * Run GitHub CLI API command and parse JSON response with retry logic
 *
 * For POST and PATCH requests with fields, we always use JSON input via stdin
 * (`--input -`) to avoid shell escaping issues. This ensures that body content
 * containing special characters (backticks, parentheses, quotes, etc.) is handled
 * correctly without shell interpretation.
 */
export declare function ghApi<T = unknown>(endpoint: string, options?: {
    method?: string;
    fields?: Record<string, string | string[]>;
    skipRetry?: boolean;
}): Promise<T>;
/**
 * Get current GitHub username
 */
export declare function getGhUsername(): Promise<string>;
/**
 * Get repository information with retry logic and caching
 */
export declare function getRepoInfo(cwd?: string): Promise<{
    owner: string;
    name: string;
}>;
/**
 * GraphQL query helper with retry logic
 */
export declare function ghGraphQL<T = unknown>(query: string, variables?: Record<string, string | number>, options?: {
    suppressErrors?: boolean;
    skipRetry?: boolean;
}): Promise<T>;
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