import type { DeviceEvaluation, DeviceEventResponse, DeviceInsightResponse, DeviceSeedResponse } from "./types.js";
export type AiUsedSignalState = "Risk" | "No Risk" | "Not Run";
export type AiUsedSignalConfidence = "low" | "medium" | "high";
export type AiEvidenceSource = "insight" | "risk_reason" | "device_flag" | "runtime_signal";
export type AiEvidenceCategory = "control_plane" | "behavioral" | "perception_loop" | "instrumentation" | "environment" | "web_spoofing";
export type SignalCoverageGapCategory = "control_plane" | "behavioral" | "perception_loop" | "instrumentation" | "environment_correlation";
/** Evidence item used when evaluating the derived AI-used signal. */
export interface AiEvidence {
    id: string;
    category: AiEvidenceCategory;
    label: string;
    source: AiEvidenceSource;
    detail: string;
    matchedProfiles: string[];
}
/** Coverage gap item used when evaluating the derived AI-used signal. */
export interface SignalCoverageGap {
    id: string;
    category: SignalCoverageGapCategory;
    title: string;
    whyMissing: string;
    howToIdentify: string;
    applicableProfiles: string[];
}
/** Derived AI-used signal summary returned from Trulioo device data. */
export interface AiUsedSignal {
    signal: "AI Used";
    state: AiUsedSignalState;
    confidence: AiUsedSignalConfidence;
    evidenceCount: number;
    matchedProfiles: string[];
    reasons: string[];
    evidence: AiEvidence[];
    signalCoverageGaps: SignalCoverageGap[];
}
/** Browser automation signals that can contribute to AI-used evaluation on Web. */
export interface WebBrowserAutomationSignals {
    navigatorWebdriverValue?: boolean | null;
    navigatorWebdriverDescriptorLocation?: "instance" | "prototype" | "missing";
    userAgentContainsHeadless?: boolean;
    chromeRuntimePresent?: boolean;
    suspiciousGlobalKeys?: string[];
}
/** Interaction signals that can contribute to AI-used evaluation on Web. */
export interface WebInteractionSignals {
    pointerMoveCount?: number;
    pointerDownCount?: number;
    trustedClickCount?: number;
    pointerTravelPx?: number;
    pointerDirectionChanges?: number;
    pointerPathEfficiency?: number | null;
    pointerMoveIntervalAverageMs?: number | null;
    pointerMoveIntervalStdDevMs?: number | null;
    keydownCount?: number;
    submitHoverDurationMs?: number | null;
    submitPointerMoveCount?: number;
    submitKeydownCount?: number;
    submitFocusDurationMs?: number | null;
    submitClickTrusted?: boolean;
    submitClickPointerType?: string;
    submitClickOffsetFromCenterPx?: number | null;
    formFieldFocusCount?: number;
    formFieldCountTouched?: number;
    formInputEventCount?: number;
    formCorrectionCount?: number;
    formValueReplacementCount?: number;
    formFillDurationMs?: number | null;
    formFieldOrderSignature?: string;
}
/** Optional runtime signals that can be combined with normalized device data. */
export interface AiRuntimeSignals {
    browserAutomation?: WebBrowserAutomationSignals;
    interaction?: WebInteractionSignals;
}
/** Input accepted by `evaluateAiUsedSignal(...)` when evaluating normalized device data plus optional runtime signals. */
export interface AiEvaluationInput {
    platform?: string;
    device?: Record<string, unknown> | null;
    insights?: DeviceInsightResponse[];
    evaluation?: DeviceEvaluation | null;
    runtimeSignals?: AiRuntimeSignals | null;
}
/**
 * Evaluates the derived AI-used signal from a normalized device-seed response.
 *
 * @param seed Normalized device-seed response.
 * @returns Derived AI-used signal summary.
 */
export declare function evaluateAiUsedSignalFromSeed(seed: DeviceSeedResponse): AiUsedSignal;
/**
 * Evaluates the derived AI-used signal from a polled device-event response.
 *
 * @param event Device-event response.
 * @returns Derived AI-used signal summary.
 */
export declare function evaluateAiUsedSignalFromEvent(event: DeviceEventResponse): AiUsedSignal;
/**
 * Evaluates the derived AI-used signal from normalized device data plus optional runtime signals.
 *
 * @param input Evaluation input containing normalized device data and optional runtime signals.
 * @returns Derived AI-used signal summary.
 */
export declare function evaluateAiUsedSignal(input: AiEvaluationInput): AiUsedSignal;