import WebSocket from "ws";
import { ExecutionResult, ExecuteOptions } from "./types.js";
import type { DeviceInfo } from "./types.js";
export declare function buildEvaluationSource(cleanedExpression: string): string;
export interface ExpressionValidation {
    valid: boolean;
    expression: string;
    error?: string;
    rewritten?: "iife-wrap";
}
export declare function containsProblematicUnicode(str: string): boolean;
export declare function stripLeadingComments(expression: string): string;
export declare function validateAndPreprocessExpression(expression: string): ExpressionValidation;
export declare function markAsyncEvalUnsupported(deviceKey: string): void;
export declare function isAsyncEvalUnsupported(deviceKey: string): boolean;
export declare function resetAsyncEvalSupport(): void;
export declare function maskLiteralsAndComments(src: string): string;
export declare function looksLikeAsyncFunction(src: string): boolean;
export declare function wrapMultiStatementInIife(src: string): string | null;
export declare function splitTopLevelStatements(src: string): string[];
export declare const TIMEOUT_HARD_CAP_MS = 120000;
export declare function markConnectionEstablished(): void;
export declare function clampTimeoutMs(input: number): {
    value: number;
    clampedFrom?: number;
};
export type TransportPattern = "no_apps" | "ws_closed" | "target_closed" | "stale_target";
export declare function isEvalTimeoutOnLiveSocket(message: string, source: "cdp" | "server-timer" | "logical"): boolean;
export type ProbeTargetApp = {
    ws: WebSocket;
    port: number;
    deviceInfo: {
        id?: string;
    };
};
export declare function isTargetStillAdvertised(app: {
    port: number;
    deviceInfo: {
        id?: string;
    };
}, fetchTargets?: (port: number) => Promise<DeviceInfo[]>): Promise<boolean>;
export declare function classifyWithLivenessProbe(message: string, source: "cdp" | "server-timer" | "logical", app: ProbeTargetApp | null, probe?: (ws: WebSocket, timeoutMs: number) => Promise<boolean>, targetStillAdvertised?: (app: ProbeTargetApp) => Promise<boolean>): Promise<TransportClassification>;
export type TransportClassification = {
    kind: "transport";
    pattern: TransportPattern;
} | {
    kind: "logical";
};
export declare function classifyTransportError(message: string, source: "cdp" | "server-timer" | "logical"): TransportClassification;
export declare function delay(ms: number): Promise<void>;
export declare function buildPollDelays(budgetMs: number): number[];
export declare function fiberRootsMissing(value: unknown): boolean;
export declare function executeInApp(expression: string, awaitPromise?: boolean, options?: ExecuteOptions, device?: string): Promise<ExecutionResult>;
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