/**
 * E2E Test Runner - Configuration Loader
 */
import type { EnvironmentConfig, LoadedConfig } from '../types';
export interface LoadConfigOptions {
    configPath?: string;
    environment?: string;
}
/**
 * Load and validate the E2E configuration file
 */
export declare function loadConfig(options?: LoadConfigOptions): Promise<LoadedConfig>;
/**
 * Validate that adapter connection strings don't contain unresolved env vars.
 * This is called after non-strict resolution to provide clear error messages
 * when required adapters have missing env vars.
 */
export declare function validateAdapterConnectionStrings(config: EnvironmentConfig, requiredAdapters?: string[]): void;
/**
 * Create a default configuration template
 */
export declare function createDefaultConfig(): string;
/**
 * Write default configuration to file
 */
export declare function initConfig(configPath: string): Promise<void>;
/**
 * Merge CLI options with loaded config
 */
export declare function mergeConfigWithOptions(config: LoadedConfig, options: {
    timeout?: number;
    retries?: number;
    parallel?: number;
    reporter?: string[];
}): LoadedConfig;
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