export interface FieldState<Value> {
    name: string;
    initialValue: Value;
    value: Value;
    dirty: boolean;
    changed: boolean;
    error?: any;
}
export interface ValidationFunction<Value, Fields> {
    (value: Value, fields: FieldStates<Fields>): any;
}
export interface FieldDescriptor<Value> extends FieldState<Value> {
    onChange(newValue: Value | ValueMapper<Value>): void;
    onBlur(): void;
}
export declare type FieldDescriptors<Fields> = {
    [FieldPath in keyof Fields]: FieldDescriptor<Fields[FieldPath]>;
};
export interface ValueMapper<Value> {
    (value: Value): Value;
}
export declare type FieldStates<Fields> = {
    [FieldPath in keyof Fields]: FieldState<Fields[FieldPath]>;
};