import { PackageInstance, PluginInstance, Steamship } from '@steamship/client';
export interface CreateInstanceParams {
    packageOrPluginId: string;
    versionId?: string;
    versionHandle?: string;
    handle?: string;
    config?: Record<string, any>;
}
export declare function createPackageInstanceOrExist(client: Steamship, params: CreateInstanceParams): Promise<PackageInstance>;
export declare function createPluginInstanceOrExist(client: Steamship, params: CreateInstanceParams): Promise<PluginInstance>;