/**
 * A/B experiments — variants, traffic split, lifecycle, Bayesian results.
 *
 *   GET  /experiments?projectId=&status=
 *   POST /experiments
 *   POST /experiments/projects/:p/experiments/:id/start
 *   POST /experiments/projects/:p/experiments/:id/pause
 *   POST /experiments/projects/:p/experiments/:id/conclude
 *   GET  /experiments/projects/:p/experiments/:id/results
 *
 * The results endpoint returns a winner only when statistical confidence
 * clears the server-configured threshold (default P(best) ≥ 0.95).
 */
import type { Client } from './client.js';
export interface ExperimentVariant {
    readonly key: string;
    readonly name: string;
    readonly weight: number;
    readonly isControl?: boolean;
}
export interface ExperimentView {
    readonly id: string;
    readonly projectId: string;
    readonly environmentId: string | null;
    readonly key: string;
    readonly name: string;
    readonly description: string | null;
    readonly status: string;
    readonly variants: readonly ExperimentVariant[];
    readonly primaryMetric?: unknown;
    readonly winningVariant: string | null;
    readonly startedAt: string | null;
    readonly pausedAt: string | null;
    readonly concludedAt: string | null;
    readonly createdAt: string;
}
export interface ListOptions {
    readonly status?: string;
}
export declare const list: (client: Client, projectId: string, options?: ListOptions) => Promise<{
    experiments: readonly ExperimentView[];
}>;
export interface CreateInput {
    readonly projectId: string;
    readonly key: string;
    readonly name: string;
    readonly variants: readonly ExperimentVariant[];
    readonly description?: string;
    readonly environmentId?: string | null;
}
export declare const create: (client: Client, input: CreateInput) => Promise<ExperimentView>;
export type LifecycleAction = 'start' | 'pause' | 'conclude';
export declare const start: (client: Client, projectId: string, experimentId: string) => Promise<{
    success: boolean;
}>;
export declare const pause: (client: Client, projectId: string, experimentId: string) => Promise<{
    success: boolean;
}>;
export declare const conclude: (client: Client, projectId: string, experimentId: string) => Promise<{
    success: boolean;
}>;
export interface ResultRow {
    readonly variant: string;
    readonly exposures: number;
    readonly conversions: number;
    readonly conversionRate?: number;
    readonly confidenceInterval?: {
        readonly low: number;
        readonly high: number;
    };
    readonly probabilityToBeBest?: number;
}
export interface ResultsView {
    readonly experimentId: string;
    readonly status: string;
    readonly winningVariant: string | null;
    readonly variants: readonly ResultRow[];
}
export declare const results: (client: Client, projectId: string, experimentId: string) => Promise<ResultsView>;
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