export interface ModuleConfig {
    name: string;
    description?: string;
    dependencies: string[];
    locked?: boolean;
    lockReason?: string;
}
export interface MigrationsConfig {
    modules: Record<string, ModuleConfig>;
    environments?: string[];
    settings?: {
        configFormat?: 'json' | 'yaml';
        useTransactions?: boolean;
        defaultNamespace?: string;
        defaultDatabase?: string;
    };
}
export interface ConfigValidationError {
    field: string;
    message: string;
    value?: unknown;
}
export declare class ConfigLoader {
    private static readonly DEFAULT_CONFIG_FILES;
    private static readonly MODULE_PATTERN;
    static loadConfig(basePath: string, configPath?: string): Promise<MigrationsConfig | null>;
    static findConfigFile(basePath: string): Promise<string | null>;
    private static parseConfig;
    private static parseSimpleYaml;
    private static validateConfig;
    private static validateModule;
    private static validateDependencies;
    private static detectCircularDependencies;
    static createDefaultConfig(modules: string[]): MigrationsConfig;
}