/**
 * 自定义 API 请求函数，由外部注入，替代 TC3 签名发请求。
 * 入参对齐 CAPI 模式：service + action + version + region + payload。
 * 返回腾讯云 API 响应中 Response 字段的内容（已解包，不含 Response 包装层）。
 */
export type CloudApiRequestFn = (params: {
    service: string;
    action: string;
    version: string;
    region: string;
    payload: Record<string, any>;
}) => Promise<any>;
export declare class CloudBaseContext {
    readonly secretId: string;
    readonly secretKey: string;
    readonly token: string;
    readonly proxy: string;
    readonly envId: string;
    readonly region: string;
    readonly envType: string;
    readonly useInternalEndpoint?: boolean;
    readonly internalEndpointRegion?: string;
    readonly requestFn?: CloudApiRequestFn;
    constructor({ secretId, secretKey, token, proxy, region, envType, useInternalEndpoint, internalEndpointRegion, requestFn }: {
        secretId?: string;
        secretKey?: string;
        token?: string;
        proxy?: string;
        region?: string;
        envType?: string;
        useInternalEndpoint?: boolean;
        internalEndpointRegion?: string;
        requestFn?: CloudApiRequestFn;
    });
    isInternalEndpoint(): boolean;
    getInternalEndpointRegion(): string;
}