import { AgentState, ConnectionState, ServiceType } from '../../types';
/**
 * State of the voice interaction component
 */
export interface VoiceInteractionState {
    /**
     * Connection states for each service
     */
    connections: Record<ServiceType, ConnectionState>;
    /**
     * Current state of the agent
     */
    agentState: AgentState;
    /**
     * Microphone permission status
     */
    microphonePermission: 'granted' | 'denied' | 'prompt';
    /**
     * Whether audio recording is active
     */
    isRecording: boolean;
    /**
     * Whether audio playback is active
     */
    isPlaying: boolean;
    /**
     * Overall ready state of the component
     */
    isReady: boolean;
    /**
     * Error state
     */
    error: string | null;
}
/**
 * Events that can change the state
 */
export type StateEvent = {
    type: 'CONNECTION_STATE_CHANGE';
    service: ServiceType;
    state: ConnectionState;
} | {
    type: 'AGENT_STATE_CHANGE';
    state: AgentState;
} | {
    type: 'MICROPHONE_PERMISSION_CHANGE';
    status: 'granted' | 'denied' | 'prompt';
} | {
    type: 'RECORDING_STATE_CHANGE';
    isRecording: boolean;
} | {
    type: 'PLAYBACK_STATE_CHANGE';
    isPlaying: boolean;
} | {
    type: 'READY_STATE_CHANGE';
    isReady: boolean;
} | {
    type: 'ERROR';
    message: string | null;
};
/**
 * Initial state
 */
export declare const initialState: VoiceInteractionState;
/**
 * Reducer function to update state based on events
 */
export declare function stateReducer(state: VoiceInteractionState, event: StateEvent): VoiceInteractionState;
/**
 * Derived state properties
 */
export declare const derivedStates: {
    /**
     * Checks if all services are connected
     */
    isFullyConnected: (state: VoiceInteractionState) => boolean;
    /**
     * Checks if any service has an error
     */
    hasConnectionError: (state: VoiceInteractionState) => boolean;
    /**
     * Gets overall connection status
     */
    overallConnectionStatus: (state: VoiceInteractionState) => ConnectionState;
};