/**
 * Shared reader I/O helpers for package-compatibility discovery.
 *
 * @experimental This API is unstable and may change without notice.
 */
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Option from "effect/Option";
import * as Schema from "effect/Schema";
export declare const decodePurl: (input: unknown, options?: import("effect/SchemaAST").ParseOptions) => {
    readonly name: string;
    readonly type: string & import("effect/Brand").Brand<"PackageType">;
    readonly version?: string | undefined;
    readonly namespace?: string | undefined;
    readonly qualifiers?: {
        readonly [x: string]: string;
    } | undefined;
    readonly subpath?: string | undefined;
};
export declare const decodeAxmMeta: (input: unknown, options?: import("effect/SchemaAST").ParseOptions) => import("effect/Result").Result<{
    readonly extensions: readonly {
        readonly ref: string;
        readonly versionRange?: (string & import("effect/Brand").Brand<"VersionRange">) | null | undefined;
    }[];
    readonly $schema?: string | undefined;
}, Schema.SchemaError>;
export declare const readFileOptional: (filePath: string) => Effect.Effect<Option.Option<string>, never, FileSystem.FileSystem>;
export declare const parseJsonOptional: (content: string, context: string) => Effect.Effect<Option.Option<unknown>, never, never>;
//# sourceMappingURL=reader-io.d.ts.map