import { DynamicAttribute, DynamicSegments } from "../types/DynamicSegments";
import { AstAttribute, AstAttributeComposite, AstKind, AttributeType } from 'xml-template-literal';
export declare const isValidCompositeAttribute: (attr: AstAttribute<DynamicSegments<unknown>>) => attr is {
    kind: AstKind.Attribute;
    type: AttributeType.Composite;
    key: string;
    value: AstAttributeComposite<(string | number) | (import("simply-reactive/dist/api.traits").ImplementsGet<(string | number) | ((ev: Event) => void)> & import("simply-reactive/dist/api.traits").ImplementsSubscribe)>[];
};