export { CompilerOptions } from "typescript";
/**
 * JSON variant of the compiler options, as found in `tsconfig.json`.
 *
 * @see https://github.com/Microsoft/TypeScript/blob/3118e812973687a63f530f72bfa9fd9d550a2de6/src/compiler/types.ts#L3520
 * @see https://github.com/Microsoft/TypeScript/blob/5a64556e4becb41ac33441a79562361df2bf793b/src/compiler/commandLineParser.ts#L11
 */
export interface CompilerOptionsJson {
    allowJs?: boolean;
    allowSyntheticDefaultImports?: boolean;
    allowUnreachableCode?: boolean;
    allowUnusedLabels?: boolean;
    alwaysStrict?: boolean;
    baseUrl?: string;
    charset?: string;
    checkJs?: boolean;
    declaration?: boolean;
    declarationDir?: string;
    disableSizeLimit?: boolean;
    downlevelIteration?: boolean;
    emitBOM?: boolean;
    emitDecoratorMetadata?: boolean;
    esModuleInterop?: boolean;
    experimentalDecorators?: boolean;
    forceConsistentCasingInFileNames?: boolean;
    importHelpers?: boolean;
    inlineSourceMap?: boolean;
    inlineSources?: boolean;
    isolatedModules?: boolean;
    jsx?: "preserve" | "react" | "react-native";
    lib?: string[];
    locale?: string;
    mapRoot?: string;
    maxNodeModuleJsDepth?: number;
    module?: "none" | "commonjs" | "amd" | "umd" | "system" | "es2015" | "esnext";
    moduleResolution?: "classic" | "node";
    newLine?: "crlf" | "lf";
    noEmit?: boolean;
    noEmitHelpers?: boolean;
    noEmitOnError?: boolean;
    noErrorTruncation?: boolean;
    noFallthroughCasesInSwitch?: boolean;
    noImplicitAny?: boolean;
    noImplicitReturns?: boolean;
    noImplicitThis?: boolean;
    noStrictGenericChecks?: boolean;
    noUnusedLocals?: boolean;
    noUnusedParameters?: boolean;
    noImplicitUseStrict?: boolean;
    noLib?: boolean;
    noResolve?: boolean;
    outDir?: string;
    outFile?: string;
    paths?: {
        [key: string]: string[];
    };
    preserveConstEnums?: boolean;
    project?: string;
    reactNamespace?: string;
    jsxFactory?: string;
    removeComments?: boolean;
    rootDir?: string;
    rootDirs?: string[];
    skipLibCheck?: boolean;
    sourceMap?: boolean;
    sourceRoot?: string;
    strict?: boolean;
    strictNullChecks?: boolean;
    suppressExcessPropertyErrors?: boolean;
    suppressImplicitAnyIndexErrors?: boolean;
    target?: "es3" | "es5" | "es6" | "es2015" | "es2016" | "es2017" | "esnext";
    traceResolution?: boolean;
    types?: string[];
    typeRoots?: string[];
}
export declare const DEFAULT_PROJECT_TSC_OPTIONS: CompilerOptionsJson;
export declare const PROD_TSC_OPTIONS: CompilerOptionsJson;
export declare const DEV_TSC_OPTIONS: CompilerOptionsJson;
/**
 * Merges two typescript compiler options.
 * The options of `extra` overide the options of `base`.
 * It does not mutate the arguments.
 * If `extra` is undefined, returns a shallow copy of `base`.
 *
 * @param base Base options
 * @param extra Additional options
 * @return The merged TSC options
 */
export declare function mergeTscOptionsJson(base: CompilerOptionsJson, extra?: CompilerOptionsJson): CompilerOptionsJson;