Interface ArrowFunctionExpression

interface ArrowFunctionExpression {
    async?: boolean;
    body: Expression | BlockStatement;
    expression: boolean;
    generator?: boolean;
    leadingComments?: Comment[];
    loc?: null | SourceLocation;
    params: Pattern[];
    range?: [number, number];
    trailingComments?: Comment[];
    type: "ArrowFunctionExpression";
}