/**
 * Copyright 2022, 2024, Optimizely
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { DecisionObj } from '../../core/decision_service';
import { ProjectConfig, Region } from '../../project_config/project_config';
import { EventTags, UserAttributes } from '../../shared_types';
import { LoggerFacade } from '../../logging/logger';
import { Platform } from '../../platform_support';
export type VisitorAttribute = {
    entityId: string;
    key: string;
    value: string | number | boolean;
};
type EventContext = {
    region?: Region;
    accountId: string;
    projectId: string;
    revision: string;
    clientName: string;
    clientVersion: string;
    anonymizeIP: boolean;
    botFiltering?: boolean;
};
type EventType = 'impression' | 'conversion';
export type BaseUserEvent<T extends EventType> = {
    type: T;
    timestamp: number;
    uuid: string;
    context: EventContext;
    user: {
        id: string;
        attributes: VisitorAttribute[];
    };
};
export type ImpressionEvent = BaseUserEvent<'impression'> & {
    layer: {
        id: string | null;
    } | null;
    experiment: {
        id: string | null;
        key: string;
    } | null;
    variation: {
        id: string | null;
        key: string;
    } | null;
    ruleKey: string;
    flagKey: string;
    ruleType: string;
    enabled: boolean;
    cmabUuid?: string;
};
export type ConversionEvent = BaseUserEvent<'conversion'> & {
    event: {
        id: string | null;
        key: string;
    };
    revenue: number | null;
    value: number | null;
    tags?: EventTags;
};
export type UserEvent = ImpressionEvent | ConversionEvent;
export declare const areEventContextsEqual: (eventA: UserEvent, eventB: UserEvent) => boolean;
export type ImpressionConfig = {
    decisionObj: DecisionObj;
    userId: string;
    flagKey: string;
    enabled: boolean;
    userAttributes?: UserAttributes;
    clientEngine: string;
    clientVersion: string;
    configObj: ProjectConfig;
};
/**
 * Creates an ImpressionEvent object from decision data
 * @param  {ImpressionConfig}  config
 * @return {ImpressionEvent}   an ImpressionEvent object
 */
export declare const buildImpressionEvent: ({ configObj, decisionObj, userId, flagKey, enabled, userAttributes, clientEngine, clientVersion, }: ImpressionConfig) => ImpressionEvent;
export type ConversionConfig = {
    eventKey: string;
    eventTags?: EventTags;
    userId: string;
    userAttributes?: UserAttributes;
    clientEngine: string;
    clientVersion: string;
    configObj: ProjectConfig;
};
/**
 * Creates a ConversionEvent object from track
 * @param  {ConversionConfig} config
 * @return {ConversionEvent}  a ConversionEvent object
 */
export declare const buildConversionEvent: ({ configObj, userId, userAttributes, clientEngine, clientVersion, eventKey, eventTags, }: ConversionConfig, logger?: LoggerFacade) => ConversionEvent;
export declare const __platforms: Platform[];
export {};