export declare const MAX_CLOUD_API_KEY_LENGTH = 512;
export interface CloudAsrProviderSettings {
    apiKey: string;
    model: string;
    language: string;
}
export interface CustomOpenAiSettings extends CloudAsrProviderSettings {
    endpoint: string;
}
export interface BailianSettings extends CloudAsrProviderSettings {
    host: string;
}
export interface DeepgramSettings extends CloudAsrProviderSettings {
    service: string;
}
export interface TencentSettings {
    appId: string;
    secretId: string;
    secretKey: string;
    engineType: string;
    service: string;
}
export interface MimoSettings extends CloudAsrProviderSettings {
    service: string;
    cluster: string;
}
export interface VolcengineSettings {
    apiKey: string;
    service: string;
    realtimeModel: string;
    recordingModel: string;
    language: string;
}
export interface CloudAsrSettings {
    groq: CloudAsrProviderSettings;
    deepgram: DeepgramSettings;
    customOpenAi: CustomOpenAiSettings;
    bailian: BailianSettings;
    tencent: TencentSettings;
    mimo: MimoSettings;
    siliconflow: CloudAsrProviderSettings;
    volcengine: VolcengineSettings;
}
export declare const DEFAULT_CLOUD_ASR_SETTINGS: CloudAsrSettings;
export declare function isHttpEndpoint(value: string): boolean;
/** Bailian public hosts must be HTTPS; loopback may use HTTP, matching custom endpoints. */
export declare function isBailianAsrHost(value: string): boolean;