import type { ToolResult } from "../types.js";
export interface NetworkInterfaceInfo {
    name: string;
    address: string;
    family: "IPv4" | "IPv6";
    netmask?: string | undefined;
    cidr?: string | undefined;
    mac?: string | undefined;
    internal: boolean;
    defaultRoute?: boolean | undefined;
    gateway?: string | undefined;
}
export interface NetworkContextResult {
    hostname: string;
    platform: NodeJS.Platform;
    interfaces: NetworkInterfaceInfo[];
    candidates: NetworkInterfaceInfo[];
    selected?: NetworkInterfaceInfo | undefined;
    warnings?: string[] | undefined;
}
/**
 * Convert a dotted-quad IPv4 netmask (e.g. "255.255.255.0") to CIDR prefix
 * length (e.g. 24). Returns undefined if the mask is not valid.
 */
export declare function netmaskToCidr(netmask: string): number | undefined;
export declare function getNetworkContext(): Promise<ToolResult>;