/**
 * KV Admin (Console-plane operator surface).
 *
 * Distinct from the BaaS-plane `kv` namespace in `@sylphx/sdk` — that one
 * is customer-app runtime data-plane (`kv/*`); this one is operator
 * dashboard administration (`/kv/*` on the Platform API):
 *
 *   GET    /kv/status        — service health for a customer project
 *   GET    /kv               — list keys (prefix/cursor/limit)
 *   GET    /kv/stats         — usage stats (count + bytes)
 *   GET    /kv/:key          — read a value as operator
 *   PUT    /kv/:key          — write a value as operator
 *   DELETE /kv/:key          — delete a value as operator
 *
 * Always scoped to a customer project via the `projectId` query param.
 * The BaaS `kv` namespace must NOT be confused with this surface — see
 * ADR-083 plane discipline.
 */
import type { Client } from './client.js';
export interface KvStatus {
    readonly available: boolean;
    readonly error?: string;
}
export interface KvKeyListEntry {
    readonly key: string;
    readonly bytes: number;
    readonly ttlSeconds: number | null;
    readonly updatedAt: string;
}
export interface KvListResult {
    readonly keys: readonly KvKeyListEntry[];
    readonly cursor: string | null;
}
export interface KvStats {
    readonly count: number;
    readonly bytes: number;
}
export interface KvGetResult {
    readonly value: string | null;
    readonly ttlSeconds: number | null;
    readonly updatedAt: string | null;
}
export interface KvSetInput {
    readonly value: string;
    readonly ttlSeconds?: number | null;
}
export interface KvSetResult {
    readonly key: string;
    readonly updatedAt: string;
}
export declare const getStatus: (client: Client, projectId: string) => Promise<KvStatus>;
export interface ListOptions {
    readonly prefix?: string;
    readonly cursor?: string;
    readonly limit?: number;
}
export declare const list: (client: Client, projectId: string, options?: ListOptions) => Promise<KvListResult>;
export declare const getStats: (client: Client, projectId: string) => Promise<KvStats>;
export declare const get: (client: Client, projectId: string, key: string) => Promise<KvGetResult>;
export declare const set: (client: Client, projectId: string, key: string, input: KvSetInput) => Promise<KvSetResult>;
declare const _delete: (client: Client, projectId: string, key: string) => Promise<{
    success: boolean;
}>;
export { _delete as delete };
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