import type { CharacterBuild } from './types.js';
/** Structured error thrown when a build cannot be deserialized. */
export type BuildLoadErrorShape = {
    code: 'BUILD_MALFORMED' | 'BUILD_VERSION_UNSUPPORTED';
    message: string;
    hint: string;
};
export declare class BuildLoadError extends Error {
    readonly code: BuildLoadErrorShape['code'];
    readonly hint: string;
    constructor(shape: BuildLoadErrorShape);
}
/** Serialize a character build to a JSON string. Stamps the current schema version. */
export declare function serializeBuild(build: CharacterBuild): string;
/**
 * Deserialize a character build from a JSON string.
 * Throws a structured BuildLoadError (never a raw SyntaxError) on invalid
 * input. Legacy builds without a version field are stamped with the current
 * schema version; builds from a newer schema are rejected.
 */
export declare function deserializeBuild(json: string): CharacterBuild;
/** Validate a JSON string as a valid CharacterBuild shape. */
export declare function validateSerializedBuild(json: string): {
    ok: boolean;
    errors: string[];
};
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