import { type AnyFunction } from '../ast/node-types.ts';
export declare function getFirstMeaningfulParameter(node: Readonly<AnyFunction>): AnyFunction['params'][number] | undefined;
export declare function getIdentifierCallbackParameter(node: Readonly<AnyFunction>): Extract<AnyFunction['params'][number], {
    readonly type: 'Identifier';
}> | undefined;
export declare function hasCallbackParameter(node: Readonly<AnyFunction>): boolean;
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