/**
 * Copyright 2017 Matt Acosta
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { SyntaxDiagnostic } from '../diagnostics/SyntaxDiagnostic';
/**
 * Defines an interface for objects that contain a syntax tree.
 */
export interface ISyntaxTree<TNode> {
    /**
     * The location of the source text used to generate this tree.
     */
    readonly path: string;
    /**
     * The root node of the syntax tree.
     */
    readonly root: TNode;
    /**
     * Gets an iterator that lists all diagnostics found while parsing.
     *
     * @todo This may need to be renamed to getParserDiagnostics().
     */
    getDiagnostics(): Iterator<SyntaxDiagnostic>;
}
/**
 * Provides a base class for objects that contain a syntax tree.
 *
 * @todo Add a method to get the text used to create the tree?
 */
export declare abstract class SyntaxTreeBase<T> implements ISyntaxTree<T> {
    /**
     * @inheritDoc
     */
    abstract readonly path: string;
    /**
     * @inheritDoc
     */
    abstract readonly root: T;
    /**
     * @inheritDoc
     */
    abstract getDiagnostics(): Iterator<SyntaxDiagnostic>;
}