import { Filter } from './filter.models';
export declare type ProjectionAttribute = FactSheetFieldAttribute | RelationFieldAttribute | TargetFactSheetFieldAttribute | PathFieldAttribute;
export interface FactSheetFieldAttribute {
    name: string;
    type: 'field';
    field: string;
}
export interface RelationFieldAttribute {
    name: string;
    type: 'relationField';
    relation: string;
    field: string;
}
export interface TargetFactSheetFieldAttribute {
    name: string;
    type: 'targetField';
    relation: string;
    field: string;
}
export interface PathFieldAttribute {
    name: string;
    type: 'path';
    path: Path;
}
export declare type Path = FieldPath | RelationPath | FactSheetPath | ConstrainingRelationPath | PathsPath;
export interface FieldPath {
    type: 'field';
    field: string;
}
export interface RelationPath {
    type: 'relation';
    relation: string;
    path: Path;
    filter: Filter | undefined;
}
export interface FactSheetPath {
    type: 'factSheet';
    path: Path;
}
export interface ConstrainingRelationPath {
    type: 'constrainingRelation';
    path: Path;
}
export interface PathsPath {
    type: 'paths';
    paths: Record<string, Path>;
}