import { Change, Prefix, EvaluationContext } from "./runtime";
import * as Runtime from "./runtime";
import { Renderer } from "../microReact";
import { PerformanceTracker } from "./performance";
export declare enum TraceNode {
    Join = 0,
    Choose = 1,
    Union = 2,
    LinearFlow = 3,
    BinaryJoin = 4,
    AntiJoin = 5,
    AntiJoinPresolvedRight = 6,
    Aggregate = 7,
    AggregateOuterLookup = 8,
    Output = 9,
    Watch = 10
}
export declare enum TraceFrameType {
    Program = 0,
    Transaction = 1,
    Input = 2,
    Block = 3,
    Node = 4,
    MaybeOutput = 5,
    MaybeExternalInput = 6
}
export interface Frame {
    type: TraceFrameType;
}
export interface ProgramFrame extends Frame {
    type: TraceFrameType.Program;
    transactions: TransactionFrame[];
}
export interface TransactionFrame extends Frame {
    type: TraceFrameType.Transaction;
    id: number;
    externalInputs: any[];
    inputs: any[];
}
export interface BlockFrame extends Frame {
    type: TraceFrameType.Block;
    name: string;
    nodes: any[];
}
export interface InputFrame extends Frame {
    type: TraceFrameType.Input;
    input: Change;
    blocks: any[];
}
export declare class Tracer {
    context: EvaluationContext;
    stack: any[];
    _currentInput: Change | undefined;
    inputsToOutputs: any;
    outputsToInputs: any;
    eToChange: any;
    renderer: Renderer;
    activeBlock: string;
    tracker: PerformanceTracker;
    constructor(context: EvaluationContext, shouldDraw?: boolean);
    changeKey(change: Change): string;
    current(): any;
    transaction(id: number): void;
    frame(commits: Change[]): void;
    indexChange(change: Change): void;
    input(input: Change): void;
    block(name: string): void;
    node(node: Runtime.Node, inputPrefix: Prefix): void;
    capturePrefix(prefix: Prefix): void;
    _mapOutput(output: Change): void;
    maybeOutput(change: Change): void;
    postDistinct(): void;
    output(output: Change): void;
    commit(commit: Change): void;
    distinctCheck(): boolean;
    pop(type: TraceFrameType): void;
    activeSearch: string;
    activeInput: Change | undefined;
    draw(): void;
    $interface: () => any;
    makeSearch: (query: string) => (input: Change) => boolean;
    inSearch: (input: Change) => boolean;
    $searcher: (program: ProgramFrame) => any;
    getInputFrame(program: ProgramFrame, input: Change): any;
    $visualization: (program: ProgramFrame) => any;
    $block: (block: any) => any;
    $node: (node: any) => any;
    $prefix: (prefix: Prefix) => any;
    setLink: (e: any, elem: any) => void;
    $changeLink: (change: Change) => any;
}
export declare class NoopTracer extends Tracer {
    context: EvaluationContext;
    activeBlock: string;
    constructor(context: EvaluationContext);
    transaction(id: number): void;
    frame(commits: Change[]): void;
    input(input: Change): void;
    block(name: string): void;
    node(node: Runtime.Node, inputPrefix: Prefix): void;
    capturePrefix(prefix: Prefix): void;
    maybeOutput(change: Change): void;
    postDistinct(): void;
    output(output: Change): void;
    commit(commit: Change): void;
    distinctCheck(): boolean;
    pop(type: TraceFrameType): void;
}