import VoiceStep from './voice';
type PreToolSpeechMode = 'auto' | 'static' | 'off';
type ToolCallSound = 'typing' | 'none';
type ToolCallSoundBehavior = 'always' | 'with_pre_speech';
type SoftTimeoutMode = 'static' | 'auto';
interface ToolCallFeedbackConfig {
    enabled: boolean;
    pre_tool_speech: PreToolSpeechMode;
    pre_tool_speech_phrases: string[];
    tool_call_sound: ToolCallSound;
    tool_call_sound_behavior: ToolCallSoundBehavior;
    delay_seconds: number;
}
interface PerToolConfig {
    enabled?: boolean | null;
    pre_tool_speech?: PreToolSpeechMode | null;
    pre_tool_speech_phrases?: string[] | null;
    tool_call_sound?: ToolCallSound | null;
    tool_call_sound_behavior?: ToolCallSoundBehavior | null;
    delay_seconds?: number | null;
}
interface SoftTimeoutConfig {
    timeout_seconds: number;
    phrases: string[];
    mode: SoftTimeoutMode;
}
type ToolResponseMode = 'sync' | 'async' | 'none';
interface Handler {
    name: string;
    description: string;
    parameters: string;
    feedback?: PerToolConfig;
    timeout_seconds?: number | string | null;
    response_mode?: ToolResponseMode | string | null;
}
interface SubagentTool {
    name: string;
    description: string;
    parameters: string;
    feedback?: PerToolConfig;
    timeout_seconds?: number | string | null;
    response_mode?: ToolResponseMode | string | null;
}
interface AgentServiceConfig {
    provider: string;
    model: string;
    api_key?: string;
    options?: Record<string, unknown>;
}
type SubagentContextMode = 'own' | 'shared';
interface Subagent {
    id: string;
    name: string;
    system_instruction: string;
    developer_messages?: string[];
    context?: SubagentContextMode;
    llm?: Partial<AgentServiceConfig> | null;
    tools: SubagentTool[];
    exitId?: string;
}
interface AgentSystemToolConfig {
    name: string;
    description?: string;
    parameters?: Record<string, unknown>;
}
interface INPUT {
    handlers: Handler[];
    subagents: Subagent[];
    system_instruction: string;
    developer_messages: string[];
    greeting_message: string;
    prevent_greeting_interruption: boolean;
    idle_detection_enabled: boolean;
    idle_timeout_secs: number | string;
    idle_max_retries: number | string;
    idle_prompts: Array<string | {
        prompt?: string;
    }>;
    idle_goodbye_message: string;
    dtmf_enabled: boolean;
    dtmf_timeout: number | string;
    dtmf_termination_digit: string;
    dtmf_prefix: string;
    custom_config_enabled: boolean;
    agent_url_overwritten: boolean;
    agent_url: string;
    mode: string;
    stt: Partial<AgentServiceConfig>;
    llm: Partial<AgentServiceConfig>;
    tts: Partial<AgentServiceConfig>;
    realtime: Partial<AgentServiceConfig>;
    tool_feedback?: ToolCallFeedbackConfig;
    soft_timeout?: SoftTimeoutConfig;
    system_tools?: AgentSystemToolConfig[];
}
export default class VoiceAgent extends VoiceStep<Partial<INPUT>> {
    runStep(): Promise<void>;
    private normalizeIdlePrompts;
    private serializeTool;
    private serializeSubagents;
    private findSubagentForTool;
    private findSubagentByName;
    private resolveSubagentExit;
    private findExitByLabel;
    private validateToolFeedback;
    private isStepFlagEnabled;
    private isValidAgentUrl;
    private buildAgentServiceConfig;
    private validatePerToolFeedback;
    private validateSoftTimeout;
    private validateSystemTools;
    private parseAgentServiceOptions;
    exitToThread(): Promise<void>;
}
export {};