import type { VoiceCapabilities, VoiceProviderConfig } from "@dev-anywhere/shared";
import type { StoredVoiceConfig } from "./config-store.js";
import type { VoiceConfigTestResult } from "./config-test.js";
export type VoiceProviderId = VoiceProviderConfig["provider"];
export interface VoiceAsrProviderClient {
    on(event: "ready", handler: () => void): this;
    on(event: "partial" | "final", handler: (text: string) => void): this;
    on(event: "error", handler: (error: Error) => void): this;
    on(event: "closed", handler: (code?: number, reason?: string) => void): this;
    sendPcm(chunk: Buffer): void;
    stop(): void;
    close(): void;
}
export interface VoiceTtsProviderClient {
    on(event: "started" | "finished", handler: () => void): this;
    on(event: "audio", handler: (chunk: Buffer) => void): this;
    on(event: "error", handler: (error: Error) => void): this;
    on(event: "closed", handler: (code?: number, reason?: string) => void): this;
    speak(text: string): void;
    close(): void;
}
export interface VoiceAsrProviderOptions {
    sampleRate: number;
    language: string;
}
export interface VoiceTtsProviderOptions {
    sampleRate: number;
}
export interface VoiceProviderAdapter {
    id: VoiceProviderId;
    createAsrClient: (config: StoredVoiceConfig, options: VoiceAsrProviderOptions) => VoiceAsrProviderClient;
    createTtsClient: (config: StoredVoiceConfig, options: VoiceTtsProviderOptions) => VoiceTtsProviderClient;
    readCapabilities: (config: StoredVoiceConfig) => Promise<VoiceCapabilities>;
    testConfig: (config: StoredVoiceConfig) => Promise<VoiceConfigTestResult>;
}
export interface VoiceProviderRegistry {
    current: (config: StoredVoiceConfig) => VoiceProviderAdapter;
    require: (providerId: string) => VoiceProviderAdapter;
}
export declare function createVoiceProviderRegistry(adapters: readonly VoiceProviderAdapter[]): VoiceProviderRegistry;
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