export interface EntityErrorEnvelope {
    error: {
        code: string;
        message: string;
        hint: string;
        doc_url: string;
    };
}
export declare abstract class EntityError extends Error {
    abstract readonly code: string;
    abstract readonly doc_section: string;
    readonly context: Record<string, unknown>;
    readonly hint: string;
    constructor(opts: {
        message: string;
        context?: Record<string, unknown>;
        hint: string;
    });
    toErrorEnvelope(): EntityErrorEnvelope;
}
export declare class InvalidEntityLabelError extends EntityError {
    readonly code = "entity.invalid_label";
    readonly doc_section = "#invalid-label";
    constructor(context?: Record<string, unknown>);
}
export declare class EmbeddingUnavailableError extends EntityError {
    readonly code = "entity.embedding_unavailable";
    readonly doc_section = "#embedding-unavailable";
    constructor(context?: Record<string, unknown>);
}
export declare class OntologyViolationError extends EntityError {
    readonly code = "entity.ontology_violation";
    readonly doc_section = "#ontology-violation";
    constructor(context?: Record<string, unknown>);
}
export declare class MergeTargetStaleError extends EntityError {
    readonly code = "entity.merge_target_stale";
    readonly doc_section = "#merge-target-stale";
    constructor(context?: Record<string, unknown>);
}
export declare class EntityLabelMissingError extends EntityError {
    readonly code = "entity.label_missing";
    readonly doc_section = "#label-missing";
    constructor(context?: Record<string, unknown>);
}
export declare class CandidateStaleError extends EntityError {
    readonly code = "entity.candidate_stale";
    readonly doc_section = "#candidate-stale";
    constructor(context?: Record<string, unknown>);
}
export declare class AuditRunInProgressError extends EntityError {
    readonly code = "entity.audit_run_in_progress";
    readonly doc_section = "#audit-run-in-progress";
    constructor(context?: Record<string, unknown>);
}
export declare class CaseMergeChainCycleError extends EntityError {
    readonly code = "case.merge_chain_cycle";
    readonly doc_section = "#case-merge-chain-cycle";
    constructor(context: {
        case_id: string;
        chain: string[];
        detected_at_depth: number;
    });
}
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