import { FS } from 'jsonfile';
import { JsonValue, PackageJson, TsConfigJson } from 'type-fest';
export declare const readJsonFile: <T>(path: string, options?: ({
    encoding?: string | null | undefined;
    flag?: string | undefined;
    throws?: boolean | undefined;
    fs?: FS | undefined;
    reviver?: ((key: any, value: any) => any) | undefined;
} & {
    /**
     * Support reading .jsonc files
     * @default if path ends with .jsonc `true`, otherwise `false` */
    jsonc?: boolean | undefined;
}) | undefined) => Promise<T>;
export declare const writeJsonFile: <T extends JsonValue>(path: string, object: T, options?: {
    encoding?: string | null | undefined;
    mode?: string | number | undefined;
    flag?: string | undefined;
    fs?: FS | undefined;
    EOL?: string | undefined;
    spaces?: string | number | undefined;
    replacer?: ((key: string, value: any) => any) | undefined;
} | undefined) => Promise<void>;
export declare const readPackageJsonFile: (path: string | {
    dir: string;
}, options?: {
    encoding?: string | null | undefined;
    flag?: string | undefined;
    throws?: boolean | undefined;
    fs?: FS | undefined;
    reviver?: ((key: any, value: any) => any) | undefined;
} | undefined) => Promise<PackageJson>;
export declare const writePackageJsonFile: (path: string | {
    dir: string;
}, packageJson: PackageJson, options?: {
    encoding?: string | null | undefined;
    mode?: string | number | undefined;
    flag?: string | undefined;
    fs?: FS | undefined;
    EOL?: string | undefined;
    spaces?: string | number | undefined;
    replacer?: ((key: string, value: any) => any) | undefined;
} | undefined) => Promise<void>;
export declare const readTsconfigJsonFile: (path: string | {
    dir: string;
}, { errorTolerant, }?: {
    /** Whether try to ignore syntax errors
     * @default false */
    errorTolerant?: boolean | undefined;
}) => Promise<TsConfigJson>;
export declare const writeTsconfigJsonFile: (path: string | {
    dir: string;
}, tsconfigJson: TsConfigJson, options?: {
    encoding?: string | null | undefined;
    mode?: string | number | undefined;
    flag?: string | undefined;
    fs?: FS | undefined;
    EOL?: string | undefined;
    spaces?: string | number | undefined;
    replacer?: ((key: string, value: any) => any) | undefined;
} | undefined) => Promise<void>;