import type { ExecOptions, ExtraEnv } from '../../../util/exec/types';
import type { PackageFileContent, UpdateArtifactsConfig } from '../types';
import type { PipCompileArgs } from './types';
export declare function getPythonVersionConstraint(config: UpdateArtifactsConfig): string | undefined | null;
export declare function getPipToolsVersionConstraint(config: UpdateArtifactsConfig): string;
export declare function getExecOptions(config: UpdateArtifactsConfig, cwd: string, extraEnv: ExtraEnv<string>): Promise<ExecOptions>;
export declare const constraintLineRegex: RegExp;
export declare const disallowedPipOptions: string[];
export declare const optionsWithArguments: string[];
export declare const allowedPipOptions: string[];
export declare function extractHeaderCommand(content: string, fileName: string): PipCompileArgs;
export declare function getRegistryCredVarsFromPackageFile(packageFile: PackageFileContent | null): ExtraEnv<string>;