import type { FeatureResolver } from './types';
/** Stable FNV-1a hash normalized to the half-open range [0, 100). */
export declare function featureBucket(input: string): number;
/** Deterministically activate a percentage of scopes for a flag. */
export declare function percentage(percent: number): FeatureResolver;
/** Deterministically assign every scope to one weighted variant. */
export declare function variants<const Name extends string>(weights: Record<Name, number>): FeatureResolver<unknown>;