export type ResolvedTtsConfig = unknown;
export type ResolvedTtsModelOverrides = unknown;
export type TtsDirectiveOverrides = unknown;
export type TtsDirectiveParseResult = unknown;
export type TtsResult = unknown;
export type TtsSynthesisResult = unknown;
export type TtsTelephonyResult = unknown;

export const _test: unknown;
export const buildTtsSystemPromptHint: (...args: unknown[]) => unknown;
export const getLastTtsAttempt: (...args: unknown[]) => unknown;
export const getResolvedSpeechProviderConfig: (...args: unknown[]) => unknown;
export const getTtsMaxLength: (...args: unknown[]) => unknown;
export const getTtsProvider: (...args: unknown[]) => unknown;
export const isSummarizationEnabled: (...args: unknown[]) => unknown;
export const isTtsEnabled: (...args: unknown[]) => unknown;
export const isTtsProviderConfigured: (...args: unknown[]) => unknown;
export const listSpeechVoices: (...args: unknown[]) => unknown;
export const maybeApplyTtsToPayload: (...args: unknown[]) => unknown;
export const resolveTtsAutoMode: (...args: unknown[]) => unknown;
export const resolveTtsConfig: (...args: unknown[]) => unknown;
export const resolveTtsPrefsPath: (...args: unknown[]) => unknown;
export const resolveTtsProviderOrder: (...args: unknown[]) => unknown;
export const setLastTtsAttempt: (...args: unknown[]) => unknown;
export const setSummarizationEnabled: (...args: unknown[]) => unknown;
export const setTtsAutoMode: (...args: unknown[]) => unknown;
export const setTtsEnabled: (...args: unknown[]) => unknown;
export const setTtsMaxLength: (...args: unknown[]) => unknown;
export const setTtsProvider: (...args: unknown[]) => unknown;
export const synthesizeSpeech: (...args: unknown[]) => unknown;
export const textToSpeech: (...args: unknown[]) => unknown;
export const textToSpeechTelephony: (...args: unknown[]) => unknown;