import ts from 'typescript';
export declare type ParameteredNode = ts.Node & {
    readonly parameters: ts.NodeArray<ts.ParameterDeclaration>;
};
export declare function getParameters(node: ParameteredNode): ts.NodeArray<ts.ParameterDeclaration>;
export declare function getParameter(node: ParameteredNode, name: string): ts.ParameterDeclaration | undefined;
export declare function getParameterOrThrow(node: ParameteredNode, name: string): ts.ParameterDeclaration;