/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { TmplAstReference, TmplAstVariable } from '@angular/compiler';
import { TcbLocation } from './symbols';
/**
 * An autocompletion source of any kind.
 */
export type Completion = ReferenceCompletion | VariableCompletion;
/**
 * Discriminant of an autocompletion source (a `Completion`).
 */
export declare enum CompletionKind {
    Reference = 0,
    Variable = 1
}
/**
 * An autocompletion result representing a local reference declared in the template.
 */
export interface ReferenceCompletion {
    kind: CompletionKind.Reference;
    /**
     * The `TmplAstReference` from the template which should be available as a completion.
     */
    node: TmplAstReference;
}
/**
 * An autocompletion result representing a variable declared in the template.
 */
export interface VariableCompletion {
    kind: CompletionKind.Variable;
    /**
     * The `TmplAstVariable` from the template which should be available as a completion.
     */
    node: TmplAstVariable;
}
/**
 * Autocompletion data for an expression in the global scope.
 *
 * Global completion is accomplished by merging data from two sources:
 *  * TypeScript completion of the component's class members.
 *  * Local references and variables that are in scope at a given template level.
 */
export interface GlobalCompletion {
    /**
     * A location within the type-checking shim where TypeScript's completion APIs can be used to
     * access completions for the template's component context (component class members).
     */
    componentContext: TcbLocation;
    /**
     * `Map` of local references and variables that are visible at the requested level of the
     * template.
     *
     * Shadowing of references/variables from multiple levels of the template has already been
     * accounted for in the preparation of `templateContext`. Entries here shadow component members of
     * the same name (from the `componentContext` completions).
     */
    templateContext: Map<string, ReferenceCompletion | VariableCompletion>;
    /**
     * A location within the type-checking shim where TypeScript's completion APIs can be used to
     * access completions for the AST node of the cursor position (primitive constants).
     */
    nodeContext: TcbLocation | null;
}