export type FieldAlternative = string[] | {
    fields: string[];
    severity: 'error' | 'warning';
};
export interface FieldRequirement {
    required: string[];
    alternatives?: FieldAlternative[];
    optional: string[];
}
export declare const ignoredFields: ReadonlySet<string>;
export declare const validEntryTypes: ReadonlySet<string>;
export declare const validFieldNames: ReadonlySet<string>;
export declare const fieldRequirements: Record<string, FieldRequirement>;