import * as ts from '@schematics/angular/third_party/github.com/Microsoft/TypeScript/lib/typescript';
import { Change } from '@schematics/angular/utility/change';
export declare type VariableType = 'const' | 'let' | 'var' | 'function';
export interface IVariableDeclaration {
    name: string;
    content: string;
    type: VariableType;
    model?: string;
    modelPath?: string;
    skipModelImport?: boolean;
    isExport?: boolean;
}
export interface IFunctionDeclaration {
    name: string;
    params?: IFunctionArguments[];
    content: string;
    returns: IFunctionArguments;
    modelPath?: string;
    isExport?: boolean;
    externalImports?: {
        name: string;
        path: string;
    }[];
}
interface IFunctionArguments {
    model: string;
    importPath?: string;
}
export declare function createVariable({ isExport, type, name, content, model }: IVariableDeclaration): string;
export declare function createFunction({ isExport, name, content, params, returns }: IFunctionDeclaration): string;
/**
 * @param path path to file
 * @param pos start position
 * @param options variable data
 * @param source file source
 */
export declare function addVariableDeclaration(path: string, pos: number, options: IVariableDeclaration, source?: ts.SourceFile): Change[];
/**
 * @param source typescript file context
 * @param identifier variable name of declaration
 * const variable = [];
 * identifier is  "variable"
 * @returns node instance
 */
export declare function getVariableDeclaration(source: ts.SourceFile, identifier: string, isArray?: boolean): ts.Node[];
export declare function getFunctionDeclaration(source: ts.SourceFile, identifier: string): ts.Node | undefined;
export declare function addFunctionDeclaration(path: string, pos: number, options: IFunctionDeclaration, source?: ts.SourceFile): Change[];
export {};