import { PostHog } from '../../../posthog-core';
import { CaptureResult, SessionRecordingPersistedConfig, SessionStartReason } from '../../../types';
import { EventTriggerMatching, LinkedFlagMatching, URLTriggerMatching, SessionRecordingStatus, TriggerType } from './triggerMatching';
export declare function encodeSamplingDecision(sessionId: string, isSampled: boolean): string;
export declare function decodeSamplingDecision(storedValue: unknown, sessionId: string): boolean | null;
/**
 * Shared context that strategies need to access from the recorder
 */
export interface RecordingStrategyContext {
    instance: PostHog;
    sessionId: string;
    isSampled: boolean | null;
    rrwebError: boolean;
    urlTriggerMatching: URLTriggerMatching;
    eventTriggerMatching: EventTriggerMatching;
    linkedFlagMatching: LinkedFlagMatching;
    remoteConfig: SessionRecordingPersistedConfig | undefined;
}
/**
 * Strategy interface for handling different recording trigger configurations
 */
export interface RecordingStrategy {
    /**
     * Initialize the strategy with remote config
     */
    onRemoteConfig(config: SessionRecordingPersistedConfig): void;
    /**
     * Get the current recording status
     */
    getStatus(context: RecordingStrategyContext): SessionRecordingStatus;
    /**
     * Get the minimum duration for this session (if any)
     */
    getMinimumDuration(sessionId: string): number | null;
    /**
     * Check URL triggers on each navigation
     * Note: URL is read from window.location.href internally
     */
    checkUrlTriggers(sessionId: string, onPause: () => void, onResume: () => void, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): void;
    /**
     * Setup event trigger listeners
     */
    setupEventTriggerListeners(onEvent: (callback: (event: CaptureResult) => void) => () => void, sessionId: string, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): (() => void) | undefined;
    /**
     * Make sampling decisions for the session
     */
    makeSamplingDecisions(sessionId: string): void;
    /**
     * Ensure a sampling decision exists for this session, re-deciding from the strategy's own
     * config when it is missing (e.g. wiped by posthog.reset()). No-op when sampling isn't configured.
     */
    ensureSamplingDecision(sessionId: string): void;
    /**
     * Called after the initial buffer flush (performance optimization hook)
     */
    onFlushComplete(): void;
    /**
     * Clean up persistence keys for conditional recording
     */
    clearConditionalRecordingPersistence(): void;
    /**
     * Update session properties with active trigger information
     */
    updateActiveTriggers(sessionId: string): void;
    /**
     * Check if triggers are in pending state (waiting for activation)
     */
    hasPendingTriggers(sessionId: string): boolean;
    /**
     * Describe trigger conditions that are currently waiting for activation without persisting debug state.
     */
    getPendingTriggerConditions(sessionId: string): string[];
    /**
     * Stop and cleanup the strategy
     */
    stop(): void;
}
/**
 * V1 Strategy: Legacy trigger matching with global URL/Event/Flag triggers
 */
export declare class V1RecordingStrategy implements RecordingStrategy {
    private readonly _instance;
    private readonly _urlTriggerMatching;
    private readonly _eventTriggerMatching;
    private readonly _linkedFlagMatching;
    private readonly _reportStarted;
    private readonly _tryTakeFullSnapshot;
    private readonly _onTriggerActivated;
    private _triggerStatusMatcher;
    private _removeEventTriggerCaptureHook;
    private _sampleRate;
    private _recordingStatusFunction;
    constructor(_instance: PostHog, _urlTriggerMatching: URLTriggerMatching, _eventTriggerMatching: EventTriggerMatching, _linkedFlagMatching: LinkedFlagMatching, _reportStarted: (reason: SessionStartReason, payload?: Record<string, any>) => void, _tryTakeFullSnapshot: () => void, _onTriggerActivated: () => void);
    onRemoteConfig(config: SessionRecordingPersistedConfig): void;
    getStatus(context: RecordingStrategyContext): SessionRecordingStatus;
    getMinimumDuration(sessionId: string): number | null;
    checkUrlTriggers(sessionId: string, onPause: () => void, onResume: () => void, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): void;
    setupEventTriggerListeners(onEvent: (callback: (event: CaptureResult) => void) => () => void, sessionId: string, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): (() => void) | undefined;
    makeSamplingDecisions(sessionId: string): void;
    ensureSamplingDecision(sessionId: string): void;
    onFlushComplete(): void;
    clearConditionalRecordingPersistence(): void;
    updateActiveTriggers(sessionId: string): void;
    hasPendingTriggers(sessionId: string): boolean;
    getPendingTriggerConditions(sessionId: string): string[];
    stop(): void;
}
/**
 * V2 Strategy: Trigger groups with per-group sampling and union behavior
 */
export declare class V2TriggerGroupStrategy implements RecordingStrategy {
    private readonly _instance;
    private readonly _urlTriggerMatching;
    private readonly _reportStarted;
    private readonly _tryAddCustomEvent;
    private readonly _onTriggerActivated;
    private _triggerGroupMatchers;
    private _triggerGroupSamplingResults;
    private _hasCompletedInitialFlush;
    private _removeEventTriggerCaptureHook;
    constructor(_instance: PostHog, _urlTriggerMatching: URLTriggerMatching, _reportStarted: (reason: SessionStartReason, payload?: Record<string, any>) => void, _tryAddCustomEvent: (tag: string, payload: any) => void, _onTriggerActivated: (triggerType?: TriggerType) => void);
    onRemoteConfig(config: SessionRecordingPersistedConfig): void;
    getStatus(context: RecordingStrategyContext): SessionRecordingStatus;
    getMinimumDuration(sessionId: string): number | null;
    checkUrlTriggers(sessionId: string, onPause: () => void, onResume: () => void, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): void;
    setupEventTriggerListeners(onEvent: (callback: (event: CaptureResult) => void) => () => void, sessionId: string, onActivate: (triggerType: TriggerType, matchDetail?: string) => void): (() => void) | undefined;
    makeSamplingDecisions(sessionId: string): void;
    ensureSamplingDecision(sessionId: string): void;
    onFlushComplete(): void;
    clearConditionalRecordingPersistence(): void;
    updateActiveTriggers(sessionId: string): void;
    hasPendingTriggers(sessionId: string): boolean;
    getPendingTriggerConditions(sessionId: string): string[];
    stop(): void;
    private _checkGroupLevelProperties;
    private _setupTriggerGroups;
}