import type { GlobalPackageInfo } from '@pnpm/global.packages';
/**
 * Whether `pkg` is a global group the pnpm CLI is installed in. `update -g`
 * leaves the whole group alone: reinstalling it would relink pnpm's bin
 * whatever else the group holds.
 */
export declare function hasPnpmCliDependency(pkg: Pick<GlobalPackageInfo, 'dependencies'>): boolean;
/** Whether `pkg` is a global group holding nothing but the pnpm CLI. */
export declare function isPnpmCliOnlyGroup(pkg: Pick<GlobalPackageInfo, 'dependencies'>): boolean;
/**
 * Whether any of `selectors` names the pnpm CLI. Each is normalized to the
 * package it installs first, so neither a versioned form like `pnpm@9` nor an
 * aliased one like `foo@npm:pnpm@9` bypasses the guard.
 */
export declare function selectsPnpmCli(selectors: readonly string[]): boolean;
/**
 * Whether a dependency declared as `alias` at `spec` is the pnpm CLI. An `npm:`
 * alias resolves to its target, so `foo` at `npm:pnpm@9` is the pnpm CLI under
 * another name — the install still carries pnpm's own `pnpm` bin.
 */
export declare function isPnpmCliDependency(alias: string, spec?: string): boolean;