import type { SettingsJson } from "./types.js";
export type SettingsJsonErrorCode = "invalid_json_source";
export interface SettingsJsonErrorDetails {
    readonly code?: SettingsJsonErrorCode;
    readonly path?: string;
    readonly reason?: string;
    readonly [key: string]: unknown;
}
export declare class SettingsJsonError extends Error {
    readonly code: SettingsJsonErrorCode;
    readonly details: SettingsJsonErrorDetails;
    constructor(code: SettingsJsonErrorCode, message: string, details?: SettingsJsonErrorDetails);
}
export interface ReadSettingsJsonResult {
    readonly json: SettingsJson;
    /** sha-256 of the parsed content, or empty string when the file is missing. */
    readonly version: string;
    readonly path: string;
    readonly missing: boolean;
}
export declare function readSettingsJson(path: string): Promise<ReadSettingsJsonResult>;
export declare function writeSettingsJson(input: {
    readonly path: string;
    readonly patch: SettingsJson;
}): Promise<{
    readonly version: string;
}>;
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