/**
 * Copyright 2016-2026, 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.
 */
/**
 * Contains global enums used throughout the library
 */
import { Platform } from '../../platform_support';
export declare const LOG_LEVEL: {
    NOTSET: number;
    DEBUG: number;
    INFO: number;
    WARNING: number;
    ERROR: number;
};
export declare const enum RESERVED_EVENT_KEYWORDS {
    REVENUE = "revenue",
    VALUE = "value"
}
export declare const CONTROL_ATTRIBUTES: {
    BOT_FILTERING: string;
    BUCKETING_ID: string;
    STICKY_BUCKETING_KEY: string;
    USER_AGENT: string;
};
export declare const JAVASCRIPT_CLIENT_ENGINE = "javascript-sdk";
export declare const NODE_CLIENT_ENGINE = "node-sdk";
export declare const REACT_NATIVE_JS_CLIENT_ENGINE = "react-native-js-sdk";
export declare const CLIENT_VERSION = "6.3.1";
export declare const DECISION_SOURCES: {
    readonly FEATURE_TEST: "feature-test";
    readonly ROLLOUT: "rollout";
    readonly EXPERIMENT: "experiment";
    readonly HOLDOUT: "holdout";
};
export type DecisionSource = typeof DECISION_SOURCES[keyof typeof DECISION_SOURCES];
export declare const AUDIENCE_EVALUATION_TYPES: {
    RULE: string;
    EXPERIMENT: string;
};
export declare const FEATURE_VARIABLE_TYPES: {
    BOOLEAN: string;
    DOUBLE: string;
    INTEGER: string;
    STRING: string;
    JSON: string;
};
export declare const DATAFILE_VERSIONS: {
    V2: string;
    V3: string;
    V4: string;
};
export declare const enum VERSION_TYPE {
    PRE_RELEASE_VERSION_DELIMITER = "-",
    BUILD_VERSION_DELIMITER = "+"
}
export declare const DECISION_MESSAGES: {
    SDK_NOT_READY: string;
    FLAG_KEY_INVALID: string;
    VARIABLE_VALUE_INVALID: string;
};
/**
 * Default milliseconds before request timeout
 */
export declare const REQUEST_TIMEOUT_MS: number;
export declare const DEFAULT_CMAB_CACHE_TIMEOUT_MS: number;
export declare const DEFAULT_CMAB_CACHE_SIZE = 10000;
export declare const DEFAULT_CMAB_RETRIES = 1;
export declare const DEFAULT_CMAB_BACKOFF_MS = 100;
export declare const __platforms: Platform[];