import { z } from 'zod';
/**
 * Schéma de la racine du document Sankey. `.passthrough()` : toute clé non listée
 * (theme, ratio_*_constraints, réglages de drawing area, etc.) est acceptée telle
 * quelle — on ne valide que l'enveloppe.
 */
export declare const sankeyRootSchema: z.ZodObject<{
    version: z.ZodOptional<z.ZodUnion<[z.ZodString, z.ZodNumber]>>;
    format_version: z.ZodOptional<z.ZodNumber>;
    nodes: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    links: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    dataTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    nodeTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    levelTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    fluxTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    viewTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    views: z.ZodOptional<z.ZodUnknown>;
    process: z.ZodOptional<z.ZodCatch<z.ZodObject<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">>>>;
}, "passthrough", z.ZodTypeAny, z.objectOutputType<{
    version: z.ZodOptional<z.ZodUnion<[z.ZodString, z.ZodNumber]>>;
    format_version: z.ZodOptional<z.ZodNumber>;
    nodes: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    links: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    dataTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    nodeTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    levelTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    fluxTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    viewTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    views: z.ZodOptional<z.ZodUnknown>;
    process: z.ZodOptional<z.ZodCatch<z.ZodObject<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">>>>;
}, z.ZodTypeAny, "passthrough">, z.objectInputType<{
    version: z.ZodOptional<z.ZodUnion<[z.ZodString, z.ZodNumber]>>;
    format_version: z.ZodOptional<z.ZodNumber>;
    nodes: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    links: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    dataTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    nodeTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    levelTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    fluxTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    viewTags: z.ZodOptional<z.ZodObject<{}, "passthrough", z.ZodTypeAny, z.objectOutputType<{}, z.ZodTypeAny, "passthrough">, z.objectInputType<{}, z.ZodTypeAny, "passthrough">>>;
    views: z.ZodOptional<z.ZodUnknown>;
    process: z.ZodOptional<z.ZodCatch<z.ZodObject<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
        central_node_id: z.ZodString;
        nomenclature_ref: z.ZodOptional<z.ZodObject<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            name: z.ZodString;
            version: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        activity_reference: z.ZodOptional<z.ZodObject<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            value: z.ZodNumber;
            unit_ref: z.ZodOptional<z.ZodString>;
        }, z.ZodTypeAny, "passthrough">>>;
        lifetime_years: z.ZodOptional<z.ZodNumber>;
        ports: z.ZodOptional<z.ZodArray<z.ZodObject<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, "passthrough", z.ZodTypeAny, z.objectOutputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">, z.objectInputType<{
            node_id: z.ZodString;
            direction: z.ZodEnum<["input", "output"]>;
            quantity_ref: z.ZodOptional<z.ZodString>;
            port_type: z.ZodOptional<z.ZodString>;
            coefficient: z.ZodOptional<z.ZodNumber>;
            unit_ref: z.ZodOptional<z.ZodString>;
            exchange_kind: z.ZodOptional<z.ZodEnum<["technosphere", "biosphere"]>>;
        }, z.ZodTypeAny, "passthrough">>, "many">>;
    }, z.ZodTypeAny, "passthrough">>>>;
}, z.ZodTypeAny, "passthrough">>;
export type SankeyRoot = z.infer<typeof sankeyRootSchema>;