export type VoiceModelCapability = "tts" | "realtime_transcription" | "realtime_voice";
export type VoiceModelCapabilities = Partial<Record<VoiceModelCapability, true>>;
export type VoiceModelRef = {
    provider: string;
    model: string;
    timeoutMs?: number;
};
export type VoiceModelProvider = {
    id: string;
    aliases?: readonly string[];
    label?: string;
    defaultModel?: string | null;
    models?: readonly string[];
};
export type VoiceModelCatalogEntry = {
    kind: "voice";
    provider: string;
    model: string;
    source: "static";
    capabilities: VoiceModelCapabilities;
    label?: string;
    default?: boolean;
    modes?: readonly string[];
};
export type VoiceProviderCandidate = {
    provider: string;
    voiceModel?: VoiceModelRef;
};
export declare function providerMatchesId(provider: VoiceModelProvider, providerId?: string): boolean;
export declare function findVoiceModelProvider<T extends VoiceModelProvider>(params: {
    providers: readonly T[];
    providerId?: string;
}): T | undefined;
export declare function voiceProviderSupportsModel(provider: VoiceModelProvider | undefined, model: unknown): boolean;
export declare function resolveVoiceModelRefs(config: unknown): VoiceModelRef[];
export declare function resolveSupportedVoiceModelRefs(params: {
    config: unknown;
    providers: readonly VoiceModelProvider[];
    providerId?: string;
}): VoiceModelRef[];
export declare function resolveVoiceProviderCandidates(params: {
    primaryProvider: string;
    providers: readonly VoiceModelProvider[];
    voiceModelConfig?: unknown;
}): VoiceProviderCandidate[];
export declare function resolvePrimaryVoiceProviderCandidate(params: {
    primaryProvider: string;
    providers: readonly VoiceModelProvider[];
    voiceModelConfig?: unknown;
}): VoiceProviderCandidate;
export declare function getVoiceProviderConfig<TConfig extends Record<string, unknown>>(params: {
    providerConfigs: Record<string, TConfig | undefined>;
    provider: VoiceModelProvider;
    configuredProviderId?: string;
}): TConfig;
export declare function synthesizeVoiceModelCatalogEntries(params: {
    provider: VoiceModelProvider;
    capabilities: VoiceModelCapabilities;
    modes?: readonly string[];
}): VoiceModelCatalogEntry[];