export declare enum MetadataKeys {
    CONTROL_VALIDATORS = "rxap/forms/control-validators",
    CONTROL_ASYNC_VALIDATORS = "rxap/forms/control-async-validators",
    CONTROL_CHANGES = "rxap/forms/control-changes",
    CONTROL_SET_VALUE = "rxap/forms/control-set-value",
    FORM_ARRAY_GROUPS = "rxap/forms/form-array-groups",
    FORM_ARRAY_CONTROLS = "rxap/forms/form-array-controls",
    FORM_GROUPS = "rxap/forms/form-groups",
    FORM_CONTROLS = "rxap/forms/form-controls"
}