import { TreeLike } from '../tree';
export interface GetNestApiPrefixOptions {
    apiPrefix?: string | boolean;
    projects?: string[];
}
/**
 * Retrieves the API prefix for a NestJS project based on various configuration sources.
 *
 * This function examines the provided project's configuration files to determine the appropriate API prefix.
 * It supports explicit definition through options, or dynamically reads from the project's configuration files.
 *
 * @param {TreeLike} tree - An abstraction representing the file system structure.
 * @param {GetNestApiPrefixOptions} options - Configuration options that may explicitly specify the API prefix or indicate how to derive it.
 * @param {string} projectSourceRoot - The root directory of the project's source files.
 * @param {string} projectName - The name of the project, used as a fallback to generate the API prefix.
 * @returns {string} The determined API prefix. Returns an empty string if the API prefix is explicitly set to false in the options.
 *
 * The function first checks if `apiPrefix` is explicitly set to false in the options, returning an empty string if so.
 * If `apiPrefix` is provided and only one project is specified in the options, it returns the `apiPrefix` directly.
 * Otherwise, it attempts to read the API prefix from `app.config.ts` or `app.module.ts` within the project's `app` directory.
 * If no prefix is found in the configuration files, it constructs a default prefix using the project name, prefixed with 'api' and stripping 'service-' from the start of the project name if present.
 */
export declare function GetNestApiPrefix(tree: TreeLike, options: GetNestApiPrefixOptions, projectSourceRoot: string, projectName: string): string | true;