import { Context, LDContext } from '@launchdarkly/js-sdk-common';
/**
 * ActiveContextTracker is an internal class that helps tracks the current active context
 * used by the client.
 */
export interface ActiveContextTracker {
    /**
     * Set the active context and unwrapped context. This will only be called when the passed in context
     * is checked and valid.
     *
     * @param unwrappedContext - The unwrapped context, which is the context as it was passed in to the SDK.
     * @param context - The active context, which is the context as it was checked and validated.
     */
    set(unwrappedContext: LDContext, context: Context): void;
    /**
     * Get the active context.
     *
     * @returns The active context or undefined if it has not been set.
     */
    getContext(): Context | undefined;
    /**
     * Get the unwrapped context.
     *
     * @returns The unwrapped context or undefined if it has not been set.
     */
    getUnwrappedContext(): LDContext | undefined;
    /**
     * Create a new identification promise. To allow other parts of the SDK to track the identification process.
     */
    newIdentificationPromise(): {
        identifyPromise: Promise<void>;
        identifyResolve: () => void;
        identifyReject: (err: Error) => void;
    };
    /**
     * Check if the active context is set. Regardless of whether it is valid or not.
     *
     * @returns True if the active context is set, false otherwise.
     */
    hasContext(): boolean;
    /**
     * Check if the active context is valid.
     *
     * @returns True if the active context is valid, false otherwise.
     */
    hasValidContext(): boolean;
}
export declare function createActiveContextTracker(): ActiveContextTracker;
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