react-native-safe-area-context/src/SafeArea.types.ts

import { NativeSyntheticEvent, ViewStyle } from 'react-native';

export interface EdgeInsets {
  top: number;
  right: number;
  bottom: number;
  left: number;
}

export interface Rect {
  x: number;
  y: number;
  width: number;
  height: number;
}

export interface Metrics {
  insets: EdgeInsets;
  frame: Rect;
}

export type InsetChangedEvent = NativeSyntheticEvent<Metrics>;

export type InsetChangeNativeCallback = (event: InsetChangedEvent) => void;

export interface NativeSafeAreaViewProps {
  children?: React.ReactNode;
  style?: ViewStyle;
  onInsetsChange: InsetChangeNativeCallback;
}