export type EvaluationSource = 'override' | 'percentage' | 'global' | 'default';
export type EvaluationReason = 'ARCHIVED' | 'OVERRIDE_MATCH' | 'PERCENTAGE_MATCH' | 'PERCENTAGE_MISS' | 'PERCENTAGE_NO_TARGETING_KEY' | 'GLOBAL' | 'FLAG_NOT_FOUND' | 'ERROR';
export type BucketBy = 'userId' | 'tenantId' | 'environment' | 'targetingKey' | (string & {});
export interface EvaluateBooleanOptions {
    /** Invocation-level default used when the flag is missing or evaluation fails. */
    defaultValue?: boolean;
    /** Percentage bucket attribute, overriding registry and flag metadata. A non-empty context.targetingKey takes precedence. */
    bucketBy?: BucketBy;
    /** Emit an exposure event for this evaluation. */
    trackExposure?: boolean;
    /** Include the full resolved context in evaluation/exposure events. */
    includeContextInEvent?: boolean;
}
export interface BooleanEvaluationDetails {
    flagKey: string;
    value: boolean;
    /** Backward-compatible alias for value. */
    result: boolean;
    source: EvaluationSource;
    reason: EvaluationReason;
    defaultUsed: boolean;
    errorCode?: string;
    errorMessage?: string;
    matchedOverrideId?: string;
    bucket?: number;
    targetingKey?: string;
    evaluationTimeMs?: number;
}
export interface FlagEvaluatorOptions {
    bucketBy?: BucketBy;
}