import { type RouterConfig } from "@velum-labs/routekit-config";
import type { ServiceUnitSpec } from "@velum-labs/routekit-runtime/service";
export declare const ROUTEKIT_PRODUCT = "routekit";
/**
 * The entry script the current invocation runs from. For a global install
 * this is the stable `routekit` bin shim, so units written with it pick up
 * upgraded code without being rewritten.
 */
export declare function cliEntryPath(): string;
/**
 * Environment the service process needs but a supervisor-started process
 * would not inherit from the user's shell: provider credentials and base-URL
 * overrides for the configured providers, plus RouteKit's own knobs.
 */
export type ServiceEnvironment = {
    set: Record<string, string>;
    unset: string[];
};
/** Build the explicit environment contract for a supervised RouteKit daemon. */
export declare function serviceEnvironment(config: RouterConfig, sourceEnv?: NodeJS.ProcessEnv): ServiceEnvironment;
export declare function missingServiceCredentialVariables(config: RouterConfig, env?: NodeJS.ProcessEnv): string[];
export declare function serviceEnvFilePath(kind: string): string;
/** Write the 0600 secrets file a systemd unit references via EnvironmentFile. */
export declare function writeServiceEnvFile(kind: string, env: Record<string, string>): string;
export declare function removeServiceEnvFile(kind: string): void;
export declare function serviceEnvironmentContractInstalled(supervisor: "systemd" | "launchd"): boolean;
export declare function daemonUnitSpec(input: {
    args: readonly string[];
    supervisor: "systemd" | "launchd";
    env: ServiceEnvironment;
    drainGraceMs: number;
    cwd?: string;
}): ServiceUnitSpec;