/**
 * Set Feature Flag Override Service
 * Sets a manual override for a feature flag
 */
import { type ServiceOptions, type SetOverrideResponse } from '@plyaz/types/api';
import type { FeatureFlagValue } from '@plyaz/types/features';
import type { EndpointsList } from '@/api/endpoints';
import type { FetchResponse } from 'fetchff';
/**
 * Request payload for setFeatureFlagOverride
 */
export interface SetFeatureFlagOverridePayload<TKey extends string = string> {
    key: TKey;
    value: FeatureFlagValue;
}
/**
 * Set a manual override for a feature flag
 * Uses endpoint: POST /feature-flags/:key/override
 *
 * @param payload - Flag key and override value
 * @param options - Optional service options
 * @returns Promise<SetOverrideResponse>
 *
 * @example
 * ```typescript
 * // Override a flag to true for testing
 * await setFeatureFlagOverride({
 *   key: 'new-feature',
 *   value: true
 * });
 * ```
 */
export declare function setFeatureFlagOverride<TKey extends string = string, TEndpoints = EndpointsList>(payload: SetFeatureFlagOverridePayload<TKey>, options?: ServiceOptions<TEndpoints>): Promise<FetchResponse<SetOverrideResponse>>;
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