/** The pi CLI on the PATH (its real file), or undefined. */
export declare function findPiCli(env?: NodeJS.ProcessEnv): string | undefined;
/**
 * The directory of pi's package: ROOST_PI_PACKAGE; else the one the pi on the PATH runs
 * from (an npm-style link to its CLI); else npm's global packages (where a shim of pnpm,
 * volta, asdf or mise does not lead).
 */
export declare function findPiPackage(env?: NodeJS.ProcessEnv, cli?: string | undefined, npmRoot?: () => string | undefined): string | undefined;
/** pi's CLI in its package (its `bin.pi`): a file node runs, whatever shim put pi on the PATH. */
export declare function piCliOf(pkg: string): string | undefined;
/** Resolve pi's packages from `dir` (pi's package directory) in this process from now on. */
export declare function usePiPackage(dir: string): void;
export declare function initialize(data: {
    dir: string;
}): Promise<void>;
type Next = (specifier: string, context: {
    parentURL?: string;
    conditions?: string[];
}) => Promise<unknown>;
export declare function resolve(specifier: string, context: {
    parentURL?: string;
    conditions?: string[];
}, next: Next): Promise<unknown>;
export {};