import type { Stream, Streamable } from '@rimbu/stream';
import type { EdgeGraphCreators, GraphElement } from '@rimbu/graph/custom';
import { type EdgeGraphBase } from '@rimbu/graph/custom';
/**
 * A type-invariant immutable edge (undirected) graph.
 * See the [Graph documentation](https://rimbu.org/docs/collections/graph) and the [EdgeGraph API documentation](https://rimbu.org/api/rimbu/graph/EdgeGraph/interface)
 * @typeparam N - the node type
 */
export interface EdgeGraph<N> extends EdgeGraphBase<N, EdgeGraph.Types> {
}
export declare namespace EdgeGraph {
    /**
     * A non-empty type-invariant immutable edge (undirected) graph.
     * @typeparam N - the node type
     */
    interface NonEmpty<N> extends EdgeGraphBase.NonEmpty<N, EdgeGraph.Types>, Omit<EdgeGraph<N>, keyof EdgeGraphBase.NonEmpty<any, any>>, Streamable.NonEmpty<GraphElement<N>> {
        /**
         * Returns a non-empty `Stream` containing all graph elements of this collection as single tuples for isolated nodes
         * and 2-valued tuples of nodes for connections.
         * See the [Graph documentation](https://rimbu.org/docs/collections/graph) and the [EdgeGraph API documentation](https://rimbu.org/api/rimbu/graph/EdgeGraph/interface)
         * @example
         * ```ts
         * EdgeGraphHashed.of([1], [2, 3]).stream().toArray()  // => [[1], [2, 3]]
         * ```
         */
        stream(): Stream.NonEmpty<GraphElement<N>>;
    }
    /**
     * A mutable `EdgeGraph` builder used to efficiently create new immutable instances.
     * See the [Graph documentation](https://rimbu.org/docs/collections/graph) and the [EdgeGraph.Builder API documentation](https://rimbu.org/api/rimbu/graph/EdgeGraph/Builder/interface)
     * @typeparam N - the node type
     */
    interface Builder<N> extends EdgeGraphBase.Builder<N, EdgeGraph.Types> {
    }
    /**
     * The EdgeGraph's Context instance that serves as a factory for all related immutable instances and builders.
     * @typeparam UN - the upper type limit for node types for which this context can create instances
     */
    interface Context<UN> extends EdgeGraphBase.Context<UN, EdgeGraph.Types> {
    }
    /**
     * Utility interface that provides higher-kinded types for this collection.
     */
    interface Types extends EdgeGraphBase.Types {
        readonly normal: EdgeGraph<this['_N']>;
        readonly nonEmpty: EdgeGraph.NonEmpty<this['_N']>;
        readonly context: EdgeGraph.Context<this['_N']>;
        readonly builder: EdgeGraph.Builder<this['_N']>;
    }
}
export declare const EdgeGraph: EdgeGraphCreators;