import type { FeatureFlag, FeatureFlagAllocationPercentile, FeatureFlagVariant, FeatureFlagWithVariants, FeatureFlagWithVariantsValidateOptions } from "../types.js";
/**
 * Check if the Feature flag is of type with-variants.
 */
export declare function checkIsFeatureFlagWithVariants(featureFlag: FeatureFlag): featureFlag is FeatureFlagWithVariants;
/**
 * Validate the feature-flag object with variants and allocations.
 *
 * @param featureFlag Azure Feature Flag with Variants
 * @param options Options for validation
 * @returns the allocated variant
 */
export declare function validateFeatureFlagWithVariants(featureFlag: FeatureFlagWithVariants, options?: FeatureFlagWithVariantsValidateOptions): Promise<FeatureFlagVariant | null>;
export declare function getVariantFromVariantMap(variantMap: Map<string, FeatureFlagVariant>, name: string): FeatureFlagVariant;
export declare function verifyAllocationPercentile(percentiles: FeatureFlagAllocationPercentile[]): void;