import { LaboratoryEnv, LaboratoryEnvActions, LaboratoryEnvState } from './env';
import { LaboratoryPlugin } from './plugins';
import { Dispatch, SetStateAction } from 'react';
export interface LaboratoryPreflightLog {
    level: 'log' | 'warn' | 'error' | 'info' | 'system';
    message: unknown[];
    createdAt: string;
    /** Where in the script this came from, when the browser reports a usable stack. */
    line?: number;
    column?: number;
}
/**
 * Maps a stack frame back onto the user's script. The script runs inside a generated
 * `AsyncFunction`, so it starts three lines in (`async function anonymous(…`, `) {`,
 * `with(lab){`). A `console.x` frame points at the member name rather than the statement,
 * which is what `columnOffset` is for.
 */
export declare const readLineAndColumn: (stack?: string, columnOffset?: number) => {
    line?: undefined;
    column?: undefined;
} | {
    line: number;
    column: number;
};
export interface LaboratoryPreflightResult {
    status: 'success' | 'error';
    error?: string;
    logs: LaboratoryPreflightLog[];
    env: LaboratoryEnv;
    headers: Record<string, string>;
    pluginsState: Record<string, any>;
}
export interface LaboratoryPreflight {
    enabled: boolean;
    script: string;
    lastTestResult?: LaboratoryPreflightResult | null;
}
export interface LaboratoryPreflightState {
    preflight: LaboratoryPreflight | null;
    /** Logs from every run, oldest first, not just the ones started from the Test button. */
    preflightLogs: LaboratoryPreflightLog[];
    isPreflightRunning: boolean;
}
/** The script-supplied parts of a `lab.prompt()` call. */
export interface LaboratoryPreflightPromptField {
    title?: string;
    defaultValue?: string;
    description?: string;
    placeholder?: string;
}
/** A single `lab.prompt()` call waiting on the user. */
export interface LaboratoryPreflightPromptRequest extends LaboratoryPreflightPromptField {
    onSubmit?: (value: string | null) => void;
}
export type LaboratoryPreflightPrompt = (title: string, defaultValue: string, options?: {
    placeholder?: string;
    description?: string;
}) => Promise<string | null>;
/**
 * How long a script may run before the worker is killed.
 * The clock only covers execution: it is paused while a
 * prompt is waiting on the user.
 */
export declare const PREFLIGHT_TIMEOUT = 30000;
/**
 * Environment values are interpolated into headers as text and persisted by the host, so a
 * script can only store JSON scalars. Defined here and injected into the worker by source, so
 * the rule is stated once.
 */
export declare const isValidEnvValue: (value: unknown) => boolean;
export interface LaboratoryPreflightRunOptions {
    /** Aborting terminates the worker and settles the run as an error. */
    signal?: AbortSignal;
    /** Called as each log arrives, so a long-running script reports before it finishes. */
    onLog?: (log: LaboratoryPreflightLog) => void;
}
export interface LaboratoryPreflightActions {
    setPreflight: (preflight: LaboratoryPreflight) => void;
    runPreflight: (plugins?: LaboratoryPlugin[], pluginsState?: Record<string, any>) => Promise<LaboratoryPreflightResult | null>;
    /** Runs the script on demand, ignoring `preflight.enabled`, and records the result. */
    testPreflight: (plugins?: LaboratoryPlugin[], pluginsState?: Record<string, any>) => Promise<LaboratoryPreflightResult | null>;
    /** Stops every in-flight run and releases any prompt waiting on the user. */
    abortPreflight: () => void;
    clearPreflightLogs: () => void;
    setLastTestResult: (result: LaboratoryPreflightResult | null) => void;
}
/**
 * Owns the one prompt dialog every preflight run shares. Runs overlap in practice (an
 * operation run while schema polling has a prompt open), and only one request can be on
 * screen, so a displaced request is answered with null rather than left waiting.
 */
export declare const usePreflightPrompt: () => {
    isPreflightPromptModalOpen: boolean;
    setIsPreflightPromptModalOpen: Dispatch<SetStateAction<boolean>>;
    preflightPromptModalProps: LaboratoryPreflightPromptRequest;
    openPreflightPromptModal: (request: LaboratoryPreflightPromptRequest) => void;
    closePreflightPromptModal: () => void;
};
export declare const usePreflight: (props: {
    defaultPreflight?: LaboratoryPreflight | null;
    onPreflightChange?: (preflight: LaboratoryPreflight | null) => void;
    envApi: LaboratoryEnvState & LaboratoryEnvActions;
    openPreflightPromptModal?: (request: LaboratoryPreflightPromptRequest) => void;
    /** Releases a prompt still waiting on the user, so aborting doesn't strand the dialog. */
    closePreflightPromptModal?: () => void;
}) => LaboratoryPreflightState & LaboratoryPreflightActions;
export declare function runIsolatedLabScript(script: string, env: LaboratoryEnv, prompt?: LaboratoryPreflightPrompt, plugins?: LaboratoryPlugin[], pluginsState?: Record<string, any>, options?: LaboratoryPreflightRunOptions): Promise<LaboratoryPreflightResult>;