import { ReactNode } from 'react';
export interface FeatureGateProps {
    /** Feature flag key to check */
    flag: string;
    /** Content to render when the flag is enabled (or disabled if inverted) */
    children: ReactNode;
    /** Content to render when the flag is disabled (or enabled if inverted) */
    fallback?: ReactNode;
    /** Content to render while flags are loading */
    loading?: ReactNode;
    /**
     * Invert the check: render children when the flag is DISABLED.
     * Useful for showing legacy UI until a new feature is enabled.
     * @default false
     */
    invert?: boolean;
    /**
     * Default value if the flag is not found.
     * @default true (default-allow)
     */
    defaultValue?: boolean;
}
/**
 * FeatureGate — conditionally renders content based on a feature flag.
 */
export declare function FeatureGate({ flag, children, fallback, loading, invert, defaultValue, }: FeatureGateProps): import("react/jsx-runtime").JSX.Element;
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