/**
 * MiniMax Adapter-local configuration (DESIGN.md §12 — P2-04).
 *
 * Reads MiniMax credentials and endpoints from the injected environment.
 * This module is the Adapter-local companion to the SDK client; MiniMax
 * environment names intentionally do NOT appear in shared `lib/config.ts`
 * (that module remains Z.AI-only). No credential is persisted or read
 * from shared configuration.
 *
 * Resolution rules:
 *   - `MINIMAX_API_KEY`: required, non-empty after trim. Whitespace-only
 *     is invalid, not absent.
 *   - `MINIMAX_REGION`: optional; undefined defaults to `global`. An
 *     empty value is invalid, not absent. Must be exactly `global` or
 *     `cn`.
 *   - Region URLs: `global` -> `https://api.minimax.io`,
 *     `cn` -> `https://api.minimaxi.com`.
 *   - `MINIMAX_BASE_URL`: optional override; must be an absolute HTTPS
 *     URL. An empty value is invalid. Exactly one trailing slash is
 *     removed. Overrides the region URL for every SDK operation.
 */
export interface MiniMaxConfig {
    readonly apiKey: string;
    readonly region: "global" | "cn";
    readonly baseUrl: string;
}
/**
 * Load and validate MiniMax configuration from the injected environment.
 * Throws a normalized {@link ConfigurationError} for any invalid value.
 */
export declare function loadMiniMaxConfig(env: NodeJS.ProcessEnv): MiniMaxConfig;
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