/**
 * Credential resolution for Moteur API access.
 * Environment variables (MOTEUR_TOKEN, MOTEUR_API_URL) take precedence and are
 * used exclusively by web Atelier sessions; when present, config files are never touched.
 * Safe to load in browser: no Node globals or modules at top level.
 */
export interface MoteurCredentials {
    token?: string;
    apiKey?: string;
    apiUrl: string;
    projectId: string | null;
    source: 'environment' | 'file';
}
export declare class MoteurClientError extends Error {
    code: string;
    hint?: string;
    constructor(options: {
        code: string;
        message: string;
        hint?: string;
    });
}
export declare function getConfigPath(): string;
export declare function readConfigFile(): Promise<MoteurCredentials>;
/**
 * Resolve credentials for API access.
 * Precedence: `MOTEUR_TOKEN` → `MOTEUR_API_KEY` (+ URL + project) → config file.
 * When credentials come from environment variables, config files are not read.
 * In the browser, uses `import.meta.env` (Vite: `VITE_MOTEUR_*`) when `process.env` is unavailable.
 */
export declare function resolveCredentials(): Promise<MoteurCredentials>;
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