/**
 * Copyright (c) 2020-present, Goldman Sachs
 *
 * 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 type { PackageableElement } from './PackageableElement.js';
import type { Section } from './section/Section.js';
import { Reference } from '../Reference.js';
export declare abstract class PackageableElementReference<T extends PackageableElement> extends Reference {
    value: T;
    protected constructor(value: T);
    abstract get valueForSerialization(): string | undefined;
}
export declare class PackageableElementExplicitReference<T extends PackageableElement> extends PackageableElementReference<T> {
    private constructor();
    static create<V extends PackageableElement>(value: V): PackageableElementExplicitReference<V>;
    get valueForSerialization(): string | undefined;
}
/**
 * Explicit references should only be created when the value stored in the reference
 * is not obtained through resolution, usually this happens when the user
 * direclty modifies the graph and creates these references in the process.
 * Implicit references are used when we build the metamodel graph from protocols.
 * In other words, they are references whose values are obtained through resolution process.
 * An implicit reference comprises the resolved value and the
 * original input value in the protocol model(s). This way when we
 * transform the metamodel graph back to protocol, we keep the input as is.
 * This is needed to maintain hash-computation and round-trip stability.
 */
export declare class PackageableElementImplicitReference<T extends PackageableElement> extends PackageableElementReference<T> {
    readonly initialResolvedPath: string;
    readonly input?: string | undefined;
    /**
     * Parent section information is only needed when the reference is resolved
     * by scanning the section imports.
     */
    readonly parentSection?: Section | undefined;
    /**
     * This flag is set to `true` when section check is not needed when resolving the reference
     * For example: when the element is implied in context, when the element is imported
     * via auto imports, etc.
     */
    readonly skipSectionCheck?: boolean | undefined;
    private constructor();
    static create<V extends PackageableElement>(value: V, input: string | undefined): PackageableElementImplicitReference<V>;
    static resolveFromSection<V extends PackageableElement>(value: V, input: string, parentSection: Section | undefined): PackageableElementImplicitReference<V>;
    get valueForSerialization(): string | undefined;
}
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