import { AnyTransformDefinition, TransformContext } from '@retikz/data';
import { AnyMarkDefinition } from '../contract';
import { IRPlotSpec } from '../schemas';
/** 收集 plot spec 引用的外部源字段；派生字段会被排除，不参与 data.model strict 校验 */
export declare const collectSourceFields: (spec: IRPlotSpec, transformRegistry?: ReadonlyMap<string, AnyTransformDefinition>, markRegistry?: ReadonlyMap<string, AnyMarkDefinition>, transformContext?: TransformContext) => Set<string>;
//# sourceMappingURL=source-fields.d.ts.map