import type { Md2cfConfig } from "./types.js";
/** Returns the path to the md2cf configuration directory (~/.md2cf). */
export declare function getConfigDir(): string;
/** Returns the path to the md2cf config file (~/.md2cf/config.json). */
export declare function getConfigPath(): string;
/** Loads and validates the config file, returning a partial config (empty object if no file). */
export declare function loadConfig(): Partial<Md2cfConfig>;
/** Validates and saves the config to disk. Creates the config directory if needed. */
export declare function saveConfig(config: Partial<Md2cfConfig>): void;
/** Gets a single config value by key. */
export declare function getConfigValue(key: keyof Md2cfConfig): string | undefined;
/** Sets a single config value by key, merging with existing config. */
export declare function setConfigValue(key: keyof Md2cfConfig, value: string): void;
/** Checks whether all required config fields (email, token, baseUrl) are present. */
export declare function validateConfig(): {
    valid: boolean;
    missing: string[];
};
/** Deletes the config file. */
export declare function resetConfig(): void;
/** Loads and validates the full config, throwing if any required fields are missing. */
export declare function getFullConfig(): Md2cfConfig;
/** Masks an API token for display, showing only the first and last 4 characters. */
export declare function maskToken(token: string): string;
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