Interface ArrowFunctionExpression

interface ArrowFunctionExpression {
    async: boolean;
    body: FunctionBody | Expression;
    end: number;
    expression: boolean;
    generator: false;
    id: null;
    params: ParamPattern[];
    parent?: Node;
    range?: [number, number];
    returnType?: TSTypeAnnotation | null;
    start: number;
    type: "ArrowFunctionExpression";
    typeParameters?: TSTypeParameterDeclaration | null;
}