import { Address, APIEvent, ChainID, IFormoEvent, IFormoEventContext, IFormoEventProperties, Nullable, Options, SignatureStatus, TransactionStatus } from "../types";
import { IEventFactory } from "./type";
declare class EventFactory implements IEventFactory {
    /** Consulted once per event, after the only await in creation. */
    private readonly canCreate;
    private options?;
    private compiledPathPattern?;
    private excludedQueryParams;
    /** Bumped by invalidate(); an event created across a bump is dropped. */
    private generation;
    constructor(options?: Options, 
    /** Consulted once per event, after the only await in creation. */
    canCreate?: () => boolean);
    /**
     * Validate an address for both EVM and Solana chains.
     * Uses chainId for strict validation when available.
     * @param address The address to validate
     * @param chainId Optional chain ID for strict chain-specific validation
     * @returns The validated address or null if invalid
     */
    private validateEventAddress;
    private getTimezone;
    private getLocation;
    private getLanguage;
    private getLibraryVersion;
    private isExcludedQueryParam;
    /**
     * Normalize URL paths for analytics aggregation by stripping trailing slashes
     * from non-root paths. Query strings and hash fragments are preserved by
     * mutating only the URL pathname.
     */
    private normalizeUrlPath;
    /**
     * Strip excluded (sensitive) query parameters from a URL in place. Only the
     * query string is touched; the path and hash/fragment are left as-is.
     */
    private redactQueryParams;
    /**
     * Return the given absolute URL with excluded query parameters removed and
     * trailing slashes stripped from non-root paths. The input is returned
     * unchanged when it is empty or cannot be parsed (e.g. an empty referrer).
     */
    private redactUrl;
    private extractUTMParameters;
    private extractClickIdParameters;
    private extractReferralParameter;
    /**
     * Returns the document referrer with same-host referrers filtered out.
     * Internal navigation populates `document.referrer` with the previous page
     * on the same site, which is not an attribution signal - treating it as
     * "external" would otherwise let an internal URL become the session's
     * first-touch referrer after a direct landing.
     */
    private getExternalReferrer;
    /**
     * Apply the current query-param denylist to a previously-persisted traffic
     * source object. Traffic-source keys (utm_*, click ids, ref) are themselves
     * query-parameter names, so an excluded key's stored value is dropped; the
     * referrer is a URL and is re-redacted. Guards against a stored value
     * outliving the config (or SDK version) under which it was first captured.
     */
    private redactStoredTrafficSources;
    private getTrafficSources;
    private getScreen;
    /** Drop every event still being created. Called on clear() and close(). */
    invalidate(): void;
    private generateContext;
    /**
     * Add any missing default page properties using values from options and defaults
     * @param properties Input page properties
     * @param options API options
     */
    private getPageProperties;
    private getEnrichedEvent;
    generatePageEvent(category?: string, name?: string, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateDetectWalletEvent(providerName: string, rdns: string, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateIdentifyEvent(providerName?: string, rdns?: string, address?: Nullable<Address>, userId?: Nullable<string>, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateConnectEvent(chainId: ChainID, address: Address, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateDisconnectEvent(chainId?: ChainID, address?: Address, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateChainChangedEvent(chainId: ChainID, address: Address, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateSignatureEvent(status: SignatureStatus, chainId: ChainID, address: Address, message: string, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateTransactionEvent(status: TransactionStatus, chainId: ChainID, address: Address, data?: string, to?: string, value?: string, transactionHash?: string, function_name?: string, function_args?: Record<string, unknown>, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    generateTrackEvent(event: string, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    /**
     * A web vitals report describes one page load, so it is placed at that
     * load: `page_url` is the URL the page loaded with (not a later SPA route)
     * and the timestamp is the navigation start. The timestamp also keeps the
     * report older than the page event of the same load, so it never becomes
     * a visitor's "last event".
     */
    generateWebVitalsEvent(url: string, startTime: number, properties?: IFormoEventProperties, context?: IFormoEventContext): Promise<IFormoEvent>;
    create(event: APIEvent, address?: Address, userId?: string): Promise<IFormoEvent>;
}
export { EventFactory };
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