import type { ConnectedPeer } from "@sideband/cloud";
/**
 * Human-readable metadata for a single RPC method. All fields are optional —
 * absence means "no description available". Clients merge sparse rpc.describe
 * output with the full rpc.list method set for display.
 */
export interface MethodMeta {
    /** Short human-readable description shown in the RPC explorer. */
    description?: string;
    /** Human-readable input hint. Not validated or parsed — display only. */
    input?: string;
    /** Pre-fill value for the explorer input field. */
    inputExample?: unknown;
}
/**
 * Registers $sideband/rpc.list and $sideband/rpc.describe handlers.
 *
 * - rpc.list: returns all registered method names, sorted lexicographically.
 * - rpc.describe: returns sparse metadata for methods that have descriptions.
 *
 * These are infrastructure handlers — always available, not listed in capabilities.
 */
export declare function registerRpcMeta(peer: ConnectedPeer, descriptions: Record<string, MethodMeta>): void;
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