import { NgComponentMetadata, NgModuleInfo } from './types';
import { ts } from './typescript';
export interface ImportDeclarationStructure {
    moduleSpecifier?: string;
    namedImports?: {
        name: string;
    }[];
}
export declare class NgSourceFile {
    private sourceFile;
    get origin(): ts.SourceFile;
    get length(): number;
    constructor(sourceFile: ts.SourceFile);
    constructor(filePath: string, sourceText: string);
    getFullText(): string;
    getExportedComponents(): NgComponentMetadata[];
    getExpectExportedComponent(keywords?: string): NgComponentMetadata;
    getExportedNgModule(): NgModuleInfo;
    getDefaultExports<TResult>(): TResult;
    getDefaultExportNode(): ts.Node;
    getImportDeclarations(): ts.ImportDeclaration[];
}
export declare function createNgSourceFile(sourceFile: ts.SourceFile): NgSourceFile;
export declare function createNgSourceFile(filePath: string, sourceText?: string): NgSourceFile;
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