import { type Capability, type CaptureHeaderDecl, type IndexedDbScopeDecl, type DomSelectorDecl, type GraphqlOpDeclaration, type StoragePointerDecl, type HelloFrameFromServer } from '@fetchproxy/protocol';
import type { Identity } from './identity.js';
/**
 * Inputs to `buildServerHello`. Mirrors the fields a host or peer
 * already has to track on startup — `serverName`, `version`, declared
 * `domains[]`, optional `capabilities[]` — so callers don't have to
 * spread their own ad-hoc structure into one.
 */
export interface BuildServerHelloOpts {
    identity: Identity;
    mcpId: string;
    serverName: string;
    version: string;
    domains: string[];
    /** Optional. Defaults to `['fetch']` to preserve pre-capability behavior. */
    capabilities?: Capability[];
    /** 0.3.0+: declared scope. Omitted from the wire when empty/absent. */
    cookieKeys?: string[];
    localStorageKeys?: string[];
    sessionStorageKeys?: string[];
    captureHeaders?: CaptureHeaderDecl[];
    /** 0.4.0+: declared IndexedDB scopes for `read_indexed_db`. */
    indexedDbScopes?: IndexedDbScopeDecl[];
    /** 0.4.0+: declared JSON-pointer extractions over storage. */
    localStoragePointers?: StoragePointerDecl[];
    sessionStoragePointers?: StoragePointerDecl[];
    /** 1.4.0+: declared DOM selectors for `read_dom`. */
    domSelectors?: DomSelectorDecl[];
    /** 1.x+: declared GraphQL operations for the `graphql` capability. */
    graphqlOps?: GraphqlOpDeclaration[];
}
/**
 * Build a `HelloFrameFromServer` frame, including a fresh 32-byte
 * session nonce and the Ed25519 signature over `mcpId || sessionNonce`.
 *
 * Both `startHost` (concentrator path) and `startPeer` (joiner path)
 * emit this frame on startup with identical structure; consolidating
 * the construction here keeps the nonce length, signing payload, and
 * field defaults in one place. Callers should NOT cache the result —
 * `sessionNonce` is fresh per call and must remain fresh per session.
 */
export declare function buildServerHello(opts: BuildServerHelloOpts): Promise<HelloFrameFromServer>;