import type { ITerminal } from '@rushstack/terminal';
import type { IRigConfig } from '@rushstack/rig-package';
import { ConfigurationFileBase, type IConfigurationFileOptions } from './ConfigurationFileBase';
/**
 * @beta
 */
export interface IProjectConfigurationFileOptions {
    /**
     * A project root-relative path to the configuration file that should be loaded.
     */
    projectRelativeFilePath: string;
}
/**
 * Alias for the constructor type for {@link ProjectConfigurationFile}.
 * @beta
 */
export type IProjectConfigurationFileSpecification<TConfigFile> = IConfigurationFileOptions<TConfigFile, IProjectConfigurationFileOptions>;
/**
 * @beta
 */
export declare class ProjectConfigurationFile<TConfigurationFile> extends ConfigurationFileBase<TConfigurationFile, IProjectConfigurationFileOptions> {
    /** {@inheritDoc IProjectConfigurationFileOptions.projectRelativeFilePath} */
    readonly projectRelativeFilePath: string;
    constructor(options: IProjectConfigurationFileSpecification<TConfigurationFile>);
    /**
     * Find and return a configuration file for the specified project, automatically resolving
     * `extends` properties and handling rigged configuration files. Will throw an error if a configuration
     * file cannot be found in the rig or project config folder.
     */
    loadConfigurationFileForProject(terminal: ITerminal, projectPath: string, rigConfig?: IRigConfig): TConfigurationFile;
    /**
     * Find and return a configuration file for the specified project, automatically resolving
     * `extends` properties and handling rigged configuration files. Will throw an error if a configuration
     * file cannot be found in the rig or project config folder.
     */
    loadConfigurationFileForProjectAsync(terminal: ITerminal, projectPath: string, rigConfig?: IRigConfig): Promise<TConfigurationFile>;
    /**
     * This function is identical to {@link ProjectConfigurationFile.loadConfigurationFileForProject}, except
     * that it returns `undefined` instead of throwing an error if the configuration file cannot be found.
     */
    tryLoadConfigurationFileForProject(terminal: ITerminal, projectPath: string, rigConfig?: IRigConfig): TConfigurationFile | undefined;
    /**
     * This function is identical to {@link ProjectConfigurationFile.loadConfigurationFileForProjectAsync}, except
     * that it returns `undefined` instead of throwing an error if the configuration file cannot be found.
     */
    tryLoadConfigurationFileForProjectAsync(terminal: ITerminal, projectPath: string, rigConfig?: IRigConfig): Promise<TConfigurationFile | undefined>;
    private _getConfigurationFilePathForProject;
    private _getRigConfigFallback;
}
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