import { StrykerOptions } from '@stryker-mutator/api/core';
export declare class HelloClass {
    options: StrykerOptions;
    static inject: ["options"];
    constructor(options: StrykerOptions);
    sayHello(): string;
    sayDelayed(): Promise<unknown>;
    say(...things: string[]): string;
    sum(a: number, b: number): number;
    reject(): Promise<never>;
    throw(message: string): never;
}
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