import { JsonCompatibleArray, JsonCompatibleObject, JsonCompatibleValue, PartialAndNullable } from '@augment-vir/common';
export declare function readJson<ParsedJsonType extends JsonCompatibleValue = JsonCompatibleValue>(path: string, options?: {
    shapeMatcher?: ParsedJsonType | undefined;
    throwErrors?: boolean | undefined;
}): Promise<ParsedJsonType | undefined>;
export type WriteJsonOptions = PartialAndNullable<{
    includeTrailingNewLine: boolean;
}>;
export declare function writeJson<T extends JsonCompatibleObject | JsonCompatibleArray>(path: string, data: T, options?: WriteJsonOptions | undefined): Promise<void>;
export declare function appendJson<T extends JsonCompatibleObject | JsonCompatibleArray>(path: string, newData: T, options?: WriteJsonOptions | undefined): Promise<void>;