/**
 * Typed errors for the generation compiler.
 *
 * GenerationSpecError reports problems in the caller's DocumentSpec (dangling
 * references, unimplemented features, shape violations) with a JSON-pointer-ish
 * path into the spec so callers can surface the exact offending node.
 *
 * GenerationInternalError flags compiler bugs (e.g. an emitter producing a
 * property name missing from its ordering table); it should never be reachable
 * from user input that passed spec validation.
 */
export type GenerationSpecErrorCode = 'empty_sections' | 'unsupported_feature' | 'dangling_style_reference' | 'dangling_numbering_reference' | 'invalid_value' | 'grid_mismatch';
export declare class GenerationSpecError extends Error {
    readonly code: GenerationSpecErrorCode;
    /** Path into the spec, e.g. '/sections/0/blocks/2/runs/1'. */
    readonly path: string;
    constructor(code: GenerationSpecErrorCode, path: string, message: string);
}
export declare class GenerationInternalError extends Error {
    constructor(message: string);
}
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