import type { ToolsLogger } from '@sap-ux/logger';
import type { JsonInput } from '../app/types.js';
/**
 * Returns the first argument from a list of CLI arguments. If the first argument
 * is not a string returns empty string.
 *
 * @param {string | string[]} args - The list of CLI command arguments.
 * @returns {string} The first parameter in the argument's list as string.
 */
export declare function getFirstArgAsString(args: string | string[]): string;
/**
 * Parse a json string as an object conforming to the {@link JsonInput} interface.
 *
 * @param {string} jsonString - The json string representation.
 * @param {ToolsLogger} logger - The logger instance.
 * @returns {JsonInput | undefined} The parsed json object, in case of an error or
 * if the object does not match the above interface - returns undefined.
 */
export declare function parseJsonInput(jsonString: string, logger: ToolsLogger): JsonInput | undefined;
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