export type TransformErrorSource = Readonly<{
    /** Zero-based absolute source offset. */
    index: number;
    /** One-based source line. */
    line: number;
    /** One-based source column. */
    column: number;
}>;
export type TransformErrorRelated = Readonly<{
    role: string;
    source: TransformErrorSource;
}>;
export type TransformErrorDetails = Readonly<{
    operation: string;
    code: string;
    stage?: string;
    source?: TransformErrorSource;
    path?: string;
    related?: readonly TransformErrorRelated[];
}>;
export type TransformErrorOptions = Readonly<{
    code?: string;
    stage?: string;
    source?: TransformErrorSource;
    path?: string;
    related?: readonly TransformErrorRelated[];
}>;
/** Portable structured identity for Transform-owned failures. */
export declare class TransformError extends Error {
    readonly operation: string;
    readonly code: string;
    readonly stage: string | undefined;
    readonly source: TransformErrorSource | undefined;
    readonly path: string | undefined;
    readonly related: readonly TransformErrorRelated[] | undefined;
    constructor(message: string, details: TransformErrorDetails, cause?: unknown);
}
export declare function is_transform_error(error: unknown): error is TransformError;
export declare function read_transform_error_details(error: unknown): TransformErrorDetails | undefined;
export declare function _throw_transform_err(message: string, functionName: string, ctx?: string, cause?: unknown, options?: TransformErrorOptions): never;
//# sourceMappingURL=errors.d.ts.map