import { type SetupCommandResult, type SetupCommandSpec } from "./commands.js";
type PrerequisiteMode = "setup" | "doctor" | "update";
type PythonLauncherCandidate = {
    command: string;
    args: string[];
    label: string;
};
type PythonDiscoveryAttempt = {
    label: string;
    version?: string;
};
export type PythonLauncher = PythonLauncherCandidate & {
    version: string;
};
export type PrerequisiteCheckResult = {
    label: string;
    ok: boolean;
    detail: string;
};
export type PythonPrerequisiteCheckResult = PrerequisiteCheckResult & {
    attempts: PythonDiscoveryAttempt[];
    selectedLauncher?: PythonLauncher;
    supportedLaunchers: PythonLauncher[];
};
export declare function isSupportedPythonVersion(version: string): boolean;
export declare function buildPythonCommandSpec(launcher: Pick<PythonLauncherCandidate, "command" | "args">, args: string[], extra?: Omit<SetupCommandSpec, "command" | "args">): SetupCommandSpec;
export declare function discoverPythonLaunchers(dependencies?: {
    platform?: NodeJS.Platform;
    runCommand?: (spec: SetupCommandSpec) => Promise<SetupCommandResult>;
}): Promise<Pick<PythonPrerequisiteCheckResult, "attempts" | "selectedLauncher" | "supportedLaunchers">>;
export declare function checkNodePrerequisite(dependencies?: {
    mode?: PrerequisiteMode;
    nodeVersion?: string;
    platform?: NodeJS.Platform;
}): PrerequisiteCheckResult;
export declare function checkGitPrerequisite(dependencies?: {
    mode?: PrerequisiteMode;
    runCommand?: (spec: SetupCommandSpec) => Promise<SetupCommandResult>;
}): Promise<PrerequisiteCheckResult>;
export declare function checkPythonPrerequisite(dependencies?: {
    mode?: PrerequisiteMode;
    platform?: NodeJS.Platform;
    runCommand?: (spec: SetupCommandSpec) => Promise<SetupCommandResult>;
}): Promise<PythonPrerequisiteCheckResult>;
export {};