import type { FeatureFlagDefinition } from '../types';
export declare class FeatureFlagUtils {
    static normalizeKey(key: string): string;
    static validateDefinition(definition: FeatureFlagDefinition): void;
    static createWorkspaceEnvKey(flagName: string, workspaceId: string): string;
    static createGlobalEnvKey(flagName: string): string;
}
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