import { BlockTrace as BaseBlockTrace, ChoiceTrace as BaseChoiceTrace, Config, DebugTrace as BaseDebugTrace, DeviceType, Dimensions, ExitTrace as BaseEndTrace, FlowTrace as BaseFlowTrace, GeneralTrace as BaseGeneralTrace, Request, SpeakTrace as BaseSpeakTrace, TraceFrame, VisualTrace as BaseVisualTrace } from '@voiceflow/general-types';
import { CanvasVisibility, ImageStepData } from '@voiceflow/general-types/build/nodes/visual';
import { State } from '@voiceflow/runtime';
export declare type GeneralRequest = Request | null;
export declare enum TraceType {
    BLOCK = "block",
    CHOICE = "choice",
    DEBUG = "debug",
    END = "end",
    FLOW = "flow",
    SPEAK = "speak",
    AUDIO = "audio",
    VISUAL = "visual"
}
export declare type AdaptTraceType<T extends BaseGeneralTrace, S extends TraceType> = Omit<T, 'type'> & {
    type: S;
};
export declare type BlockTrace = AdaptTraceType<BaseBlockTrace, TraceType.BLOCK>;
export declare type ChoiceTrace = AdaptTraceType<BaseChoiceTrace, TraceType.CHOICE>;
export declare type DebugTrace = AdaptTraceType<BaseDebugTrace, TraceType.DEBUG>;
export declare type EndTrace = AdaptTraceType<BaseEndTrace, TraceType.END>;
export declare type FlowTrace = AdaptTraceType<BaseFlowTrace, TraceType.FLOW>;
export declare type AudioTrace = {
    type: TraceType.AUDIO;
    payload: Omit<BaseSpeakTrace['payload'], 'type'>;
};
export declare type SpeakTrace = {
    type: TraceType.SPEAK;
    payload: Omit<BaseSpeakTrace['payload'], 'type'>;
};
export declare type VisualTrace = AdaptTraceType<BaseVisualTrace, TraceType.VISUAL> & {
    payload: ImageStepData;
};
export declare type GeneralTrace = BlockTrace | ChoiceTrace | DebugTrace | EndTrace | FlowTrace | AudioTrace | SpeakTrace | VisualTrace;
export declare type ResponseContext = {
    state: State;
    request: GeneralRequest;
    trace: GeneralTrace[];
};
export declare type RequestContext = {
    state?: State;
    request: GeneralRequest;
    config?: Config;
};
export declare type BlockTraceHandler = (blockID: BlockTrace['payload']['blockID']) => any;
export declare type ChoiceTraceHandler = (choices: ChoiceTrace['payload']['choices']) => any;
export declare type DebugTraceHandler = (message: DebugTrace['payload']['message']) => any;
export declare type EndTraceHandler = () => any;
export declare type FlowTraceHandler = (diagramID: FlowTrace['payload']['diagramID']) => any;
export declare type SpeakTraceHandler = (message: SpeakTrace['payload']['message'], src: SpeakTrace['payload']['src']) => any;
export declare type AudioTraceHandler = (src: SpeakTrace['payload']['src']) => any;
export declare type VisualTraceHandler = (image: string | null, device: DeviceType | null, dimensions: Dimensions | null, visiblity: CanvasVisibility) => any;
export declare type TraceHandlerMap = {
    [TraceType.BLOCK]: BlockTraceHandler;
    [TraceType.CHOICE]: ChoiceTraceHandler;
    [TraceType.DEBUG]: DebugTraceHandler;
    [TraceType.END]: EndTraceHandler;
    [TraceType.FLOW]: FlowTraceHandler;
    [TraceType.SPEAK]: SpeakTraceHandler;
    [TraceType.AUDIO]: AudioTraceHandler;
    [TraceType.VISUAL]: VisualTraceHandler;
};
export declare type TraceMap = {
    [TraceType.BLOCK]: BlockTrace;
    [TraceType.CHOICE]: ChoiceTrace;
    [TraceType.DEBUG]: DebugTrace;
    [TraceType.END]: EndTrace;
    [TraceType.FLOW]: FlowTrace;
    [TraceType.SPEAK]: SpeakTrace;
    [TraceType.AUDIO]: AudioTrace;
    [TraceType.VISUAL]: VisualTrace;
};
export declare enum TraceEvent {
    GENERAL = "general",
    BEFORE_PROCESSING = "before_processing",
    AFTER_PROCESSING = "after_processing"
}
export declare type Choice = ChoiceTrace['payload']['choices'][number];
export declare const is_V1Trace: (trace: any) => trace is TraceFrame<string, any, {
    type: string;
}>;