import { IDL } from "@icp-sdk/core/candid";
import type { BaseActor } from "@ic-reactor/core";
import type { FormServiceMeta, FormArgumentsMeta, FormFieldNode, VariableRefCandidate } from "./types.js";
export * from "./types.js";
/**
 * Visitor that generates form-oriented metadata from Candid IDL types.
 *
 * Each generated field includes:
 * - `schema` for validation
 * - `component` for renderer selection
 * - `renderHint` for UI behavior hints
 */
export declare class CandidFormVisitor<A = BaseActor> extends IDL.Visitor<string, FormFieldNode | FormArgumentsMeta | FormServiceMeta<A>> {
    private recCache;
    private recursiveSchemas;
    private nameStack;
    private withName;
    private currentName;
    visitService(t: IDL.ServiceClass): FormServiceMeta<A>;
    visitFunc(t: IDL.FuncClass, functionName: string): FormArgumentsMeta;
    buildFunctionMeta(func: IDL.FuncClass, functionName: string): FormArgumentsMeta;
    buildValueMeta(valueType: IDL.Type, functionName?: string): FormArgumentsMeta;
    toFormValuesFromDecodedArgs(fields: FormFieldNode[], decodedArgs: unknown[]): unknown[];
    collectRefCandidatesFromRoot(sourceNodeId: string, rootExpr: string, rootLabel: string, rootField: FormFieldNode): VariableRefCandidate[];
    buildFieldForType(type: IDL.Type, label: string, path: string): FormFieldNode;
    buildTupleFieldForTypes(types: IDL.Type[], label: string, path: string): FormFieldNode;
    visitRecord(t: IDL.RecordClass, fields_: Array<[string, IDL.Type]>, label: string): FormFieldNode;
    visitTuple<T extends IDL.Type[]>(_t: IDL.TupleClass<T>, components: IDL.Type[], label: string): FormFieldNode;
    visitVariant(t: IDL.VariantClass, fields_: Array<[string, IDL.Type]>, label: string): FormFieldNode;
    visitOpt<T>(_t: IDL.OptClass<T>, ty: IDL.Type<T>, label: string): FormFieldNode;
    visitVec<T>(_t: IDL.VecClass<T>, ty: IDL.Type<T>, label: string): FormFieldNode;
    visitRec<T>(t: IDL.RecClass<T>, ty: IDL.ConstructType<T>, label: string): FormFieldNode;
    visitPrincipal(_t: IDL.PrincipalClass, label: string): FormFieldNode;
    visitText(_t: IDL.TextClass, label: string): FormFieldNode;
    visitBool(_t: IDL.BoolClass, label: string): FormFieldNode;
    visitNull(_t: IDL.NullClass, label: string): FormFieldNode;
    visitInt(_t: IDL.IntClass, label: string): FormFieldNode;
    visitNat(_t: IDL.NatClass, label: string): FormFieldNode;
    visitFloat(t: IDL.FloatClass, label: string): FormFieldNode;
    visitFixedInt(t: IDL.FixedIntClass, label: string): FormFieldNode;
    visitFixedNat(t: IDL.FixedNatClass, label: string): FormFieldNode;
    visitType<T>(t: IDL.Type<T>, label: string): FormFieldNode;
    private primitive;
}
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