import type { IConstruct } from 'constructs';
import { Component } from 'projen';
/**
 * Check GitHub Actions workflows for the use of dangerous expressions directly interpolated in shell steps.
 *
 * Some of these can be used to perform command injection attacks. We block all of them to be overly safe,
 * even the ones that are not dangerous.
 *
 * Automatically added to all of our project types.
 */
export declare class CheckGhaExpressions extends Component {
    constructor(project: IConstruct);
    postSynthesize(): void;
    private validateWorkflow;
}