import { Types } from 'graphql-codegen-core'; export declare function isOutputConfigArray(type: any): type is Types.OutputConfig[]; export declare function isConfiguredOutput(type: any): type is Types.ConfiguredOutput; export declare function normalizeOutputParam(config: Types.OutputConfig | Types.ConfiguredOutput): Types.ConfiguredOutput; export declare function normalizeInstanceOrArray(type: T | T[]): T[]; export declare function normalizeConfig(config: Types.OutputConfig): Types.ConfiguredPlugin[];