import type { YamlConfig } from '@graphql-mesh/types';
export type MigrationMessage = {
    level: 'error' | 'warn' | 'info';
    message: string;
};
export type ResolvedPluginImport = {
    moduleName: string;
    importName: string;
    factoryName: string;
};
export type ResolveLegacyPlugin = (args: {
    name: string;
    cwd?: string;
}) => Promise<ResolvedPluginImport | undefined>;
export interface MigrateLegacyConfigOptions {
    cwd?: string;
    resolvePlugin?: ResolveLegacyPlugin;
}
export interface MigrateLegacyConfigResult {
    code: string;
    addedPackages: string[];
    removedPackages: string[];
    messages: MigrationMessage[];
    fatal: boolean;
}
export declare function migrateLegacyConfig(legacyConfig: YamlConfig.Config, options?: MigrateLegacyConfigOptions): Promise<MigrateLegacyConfigResult>;