import StringBuilder = require('string-builder');
export declare type Imports = {
    [moduleName: string]: string[];
};
export declare type TypeInfo = {
    replaceBy?: string;
    definedIn?: string;
    code?: string;
};
export declare type TypeInfos = {
    [typeName: string]: TypeInfo;
};
export declare const baseTypes: TypeInfos;
export declare function mergeTypeInfos(a: TypeInfos, b: TypeInfos): TypeInfos;
export declare class GenEnv {
    readonly imports: Imports;
    private currModuleName;
    private typeInfos;
    readonly sb: StringBuilder;
    private indentation;
    private firstInLine;
    private static warnedAbout;
    constructor(currModuleName: string, imports: Imports, typeInfos: TypeInfos, sb: StringBuilder, indentation?: string, firstInLine?: boolean);
    indent(): GenEnv;
    customCodeFor(rawName: string): string | undefined;
    resolveTypeName(rawName: string): string;
    append(str: string): void;
    appendLine(str: string): void;
}
export declare function emptyEnvForTests(additionalTypes?: TypeInfos): GenEnv;