import { CodeArtifactConfig } from './types.js';
/**
 * Build the CodeArtifact registry URL from configuration
 *
 * @param config - CodeArtifact configuration
 * @param region - AWS region
 * @returns Registry URL (e.g., https://paduafg-361485743373.d.codeartifact.ap-southeast-2.amazonaws.com/npm/paduafg/)
 */
export declare function buildCodeArtifactRegistry(config: CodeArtifactConfig, region: string): string;
/**
 * Construct .npmrc file content with CodeArtifact configuration
 *
 * @param registry - CodeArtifact registry URL
 * @param token - Authorization token (JWT)
 * @returns Formatted .npmrc content
 */
export declare function constructNpmrcContent(registry: string, token: string): string;
/**
 * Write .npmrc to project root (current working directory)
 *
 * @param content - .npmrc file content
 * @throws Error if write fails
 */
export declare function writeProjectNpmrc(content: string): void;
/**
 * Write .npmrc to global location (~/.npmrc)
 *
 * @param content - .npmrc file content
 * @throws Error if write fails
 */
export declare function writeGlobalNpmrc(content: string): void;
/**
 * Test whether a line is managed by Padua (CodeArtifact config).
 * Matches @paduafg scoped registry and codeartifact host lines.
 */
export declare function isPaduaManagedLine(line: string): boolean;
/**
 * Merge new CodeArtifact content with existing .npmrc content,
 * preserving non-Padua lines (e.g. npmjs.org auth tokens).
 */
export declare function mergeNpmrcContent(existingContent: string | null, newContent: string): string;
/**
 * Read .npmrc from project root (current working directory)
 *
 * @returns .npmrc content if exists, null otherwise
 */
export declare function readProjectNpmrc(): string | null;
/**
 * Read .npmrc from global location (~/.npmrc)
 *
 * @returns .npmrc content if exists, null otherwise
 */
export declare function readGlobalNpmrc(): string | null;
/**
 * Check if .gitignore exists and contains .npmrc
 *
 * @returns true if .npmrc is in .gitignore or .gitignore doesn't exist, false otherwise
 */
export declare function isNpmrcInGitignore(): boolean;
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