export interface CallSite {
	/**
	 * Returns the value of `this`.
	 */
	getThis(): unknown | undefined;

	/**
	 * Returns the type of `this` as a string. This is the name of the function stored in the constructor field of `this`, if available, otherwise the object's `[[Class]]` internal property.
	 */
	getTypeName(): string | null;

	/**
	 * Returns the current function.
	 */
	getFunction(): Function | undefined;

	/**
	 * Returns the name of the current function, typically its `name` property. If a name property is not available an attempt will be made to try to infer a name from the function's context.
	 */
	getFunctionName(): string | null;

	/**
	 * Returns the name of the property of `this` or one of its prototypes that holds the current function.
	 */
	getMethodName(): string | undefined;

	/**
	 * Returns the name of the script if this function was defined in a script.
	 */
	getFileName(): string | null;

	/**
	 * Returns the current line number if this function was defined in a script.
	 */
	getLineNumber(): number | null;

	/**
	 * Returns the current column number if this function was defined in a script.
	 */
	getColumnNumber(): number | null;

	/**
	 * Returns a string representing the location where `eval` was called if this function was created using a call to `eval`.
	 */
	getEvalOrigin(): string | undefined;

	/**
	 * Returns `true` if this is a top-level invocation, that is, if it's a global object.
	 */
	isToplevel(): boolean;

	/**
	 * Returns `true` if this call takes place in code defined by a call to `eval`.
	 */
	isEval(): boolean;

	/**
	 * Returns `true` if this call is in native V8 code.
	 */
	isNative(): boolean;

	/**
	 * Returns `true` if this is a constructor call.
	 */
	isConstructor(): boolean;
}

/**
 * Get callsites from the V8 stack trace API.
 *
 * @returns An array of `CallSite` objects.
 */
export default function callsites(): CallSite[];