/**
 * Utilities for discovering and loading API Extractor configuration.
 * @internal
 */
import type { ApiExtractorConfig, ApiExtractorLogLevel } from '../types';
/**
 * Searches upward from the given directory to find api-extractor.json.
 *
 * @param startDir - Directory to start searching from
 * @returns Path to api-extractor.json if found, undefined otherwise
 */
export declare function findApiExtractorConfig(startDir: string): string | undefined;
/**
 * Loads and parses an api-extractor.json file.
 *
 * @param configPath - Path to the api-extractor.json file
 * @returns Parsed configuration or null if file cannot be read
 */
export declare function loadApiExtractorConfig(configPath: string): ApiExtractorConfig | null;
/**
 * Gets the log level for a specific message ID from the configuration.
 *
 * @param config - API Extractor configuration
 * @param messageId - The message ID (e.g., 'ae-missing-release-tag')
 * @returns The configured log level, or 'warning' as default
 */
export declare function getMessageLogLevel(config: ApiExtractorConfig | null, messageId: string): ApiExtractorLogLevel;
/**
 * Resolves configuration for a file, using auto-discovery or explicit path.
 *
 * @param filePath - Path to the file being linted
 * @param explicitConfigPath - Optional explicit path to api-extractor.json
 * @returns The resolved configuration or null
 */
export declare function resolveConfig(filePath: string, explicitConfigPath?: string): ApiExtractorConfig | null;
/**
 * Maps API Extractor log level to ESLint severity.
 *
 * @param logLevel - API Extractor log level
 * @returns ESLint severity (0 = off, 1 = warn, 2 = error)
 */
export declare function logLevelToSeverity(logLevel: ApiExtractorLogLevel): 0 | 1 | 2;
/**
 * Clears the configuration cache. Useful for testing.
 */
export declare function clearConfigCache(): void;
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