import type { PostHogConfig } from './types';
export type { FeatureFlagsConfig, FeatureFlagsConfigSource } from '@posthog/browser-common/feature-flags-config';
import type { FeatureFlagsConfig, FeatureFlagsConfigSource } from '@posthog/browser-common/feature-flags-config';
/** Mutable browser-v1 mapping kept outside the extension-facing config source. */
export declare class MutableFeatureFlagsConfigSource implements FeatureFlagsConfigSource {
    private _snapshot;
    private _loggedEvaluationEnvironmentsDeprecation;
    constructor(config: PostHogConfig, remoteRequestsDisabled?: boolean);
    update(config: PostHogConfig, remoteRequestsDisabled: boolean): void;
    get(): Readonly<FeatureFlagsConfig>;
}