import { AnyRichTextComponentDefinition } from '../registry/types';
export type AttributeValues = Record<string, unknown>;
export type AttributeErrors = Record<string, string>;
export interface ValidationMessages {
    required: string;
    invalidJson: string;
    invalidNumber: string;
    outOfRange: string;
}
export declare const isContainerComponent: (definition: AnyRichTextComponentDefinition) => boolean;
/** Attribute values a freshly inserted node starts with: schema defaults overridden by definition.defaultAttrs. */
export declare function initialAttrs(definition: AnyRichTextComponentDefinition): AttributeValues;
/** Dialog state for stored attrs: json fields become editable strings, everything else is unchanged. */
export declare function toFormValues(definition: AnyRichTextComponentDefinition, attrs: AttributeValues): AttributeValues;
/** "Label: value" pairs for form-visible attributes, joined with " · "; empty values are skipped. */
export declare function attributeSummary(definition: AnyRichTextComponentDefinition, attrs: AttributeValues): string;
/** Coerces dialog input per field type; `values` is only meaningful when `errors` is empty. */
export declare function validateAttrs(definition: AnyRichTextComponentDefinition, attrs: AttributeValues, messages: ValidationMessages): {
    values: AttributeValues;
    errors: AttributeErrors;
};