import type { DefaultEncodingOption, EncodingOption, Options } from 'execa';
export interface WaitForOutputOptions<EncodingType extends EncodingOption = DefaultEncodingOption> extends Options<EncodingType> {
    timeout?: number;
}
/**
 * Starts a process and waits for the passed string to appear in the output.
 * When this happens the process is killed.
 */
export declare function waitForOutput(expectedOutput: string, command: string, args?: string[], opts?: WaitForOutputOptions): Promise<void>;
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