import { type ChildProcess, type SpawnOptions } from "node:child_process";
import { type BootstrapSyncResult } from "../bootstrap/sync.js";
export type PrimusRuntimeOptions = {
    appRoot: string;
    workingDir: string;
    sessionDir: string;
    primusAgentDir: string;
    primusHome: string;
    mode?: "text" | "json" | "rpc";
    thinkingLevel?: string;
    explicitModelSpec?: string;
    oneShotPrompt?: string;
    initialPrompt?: string;
};
export type PrimusPiPaths = {
    piPackageRoot: string;
    piCliPath: string;
    piMainPath: string;
    piCliWrapperPath: string;
    piCliWrapperSourcePath: string;
    promisePolyfillPath: string;
    promisePolyfillSourcePath: string;
    tsxLoaderPath: string;
    primusToolsPath: string;
    promptTemplatePath: string;
    systemPromptPath: string;
    nodeModulesBinPath: string;
};
type LaunchPiDependencies = {
    syncBundledAssets?: (appRoot: string, agentDir: string, home?: string, workingDir?: string) => BootstrapSyncResult;
    normalizePrimusSettings?: (settingsPath: string, bundledSettingsPath: string, authPath: string) => void;
    patchEmbeddedPi?: (appRoot: string) => Promise<void> | void;
    spawnImpl?: (command: string, args: ReadonlyArray<string>, options: SpawnOptions) => ChildProcess;
};
export declare function resolvePiPaths(appRoot: string): PrimusPiPaths;
export declare function toNodeImportSpecifier(modulePath: string): string;
export declare function buildPiArgs(options: PrimusRuntimeOptions, paths?: PrimusPiPaths): string[];
export declare function buildPiEnv(options: PrimusRuntimeOptions, paths?: PrimusPiPaths): NodeJS.ProcessEnv;
export declare function exitCodeFromSignal(signal: NodeJS.Signals): number;
export declare function launchPiChat(options: PrimusRuntimeOptions, dependencies?: LaunchPiDependencies): Promise<void>;
export {};