/**
 * Credentials — env-var loading.
 *
 * Per ADR-003, v0.1 ships single-credential-per-server-instance.
 * Credentials are read from environment variables at startup and not refreshed
 * during the process lifetime.
 */
export interface Credentials {
    clientId: string;
    clientSecret: string;
    /** Optional comma-separated scope override. Defaults to the canonical FFS scope set. */
    scopes: string[];
}
export declare class MissingCredentialsError extends Error {
    constructor(missing: string[]);
}
export declare function loadCredentials(): Credentials;
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