import type { BrowserObservation } from "./browser.js";
import type { CaptureBaselineResult, CaptureHandoffContext, CapturePageContract, CapturePageIdentity, CaptureTransitionDecision, ValidatedSessionProfile, VideoPageSignals } from "./types.js";
export declare function deriveCapturePageContract(params: {
    pageIdentity?: CapturePageIdentity | null;
}): CapturePageContract;
export declare function buildCaptureCheckpointEvidence(params: {
    currentUrl?: string | null;
    targetUrl: string;
    pageIdentity?: CapturePageIdentity | null;
    observation: BrowserObservation;
    pageSignals?: VideoPageSignals | null;
    profile?: ValidatedSessionProfile;
    requestedLang?: string;
    requestedTheme?: "light" | "dark";
}): CaptureTransitionDecision;
export declare function decideCaptureTransition(params: {
    pageIndex: number;
    currentUrl?: string | null;
    targetUrl: string;
    resumeUrl?: string | null;
    pageIdentity?: CapturePageIdentity | null;
    observation: BrowserObservation | null;
    pageSignals?: VideoPageSignals | null;
    profile?: ValidatedSessionProfile;
    handoffContext?: CaptureHandoffContext;
    requestedLang?: string;
    requestedTheme?: "light" | "dark";
}): CaptureBaselineResult;