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extern crate libc;
use libc::{c_char, c_double, c_void};
pub type JSGlobalContextRef = *mut c_void;
pub type JSValueRef = *mut c_void;
pub type JSStringRef = *mut c_void;
extern "C" {
pub fn JSValueIsBoolean(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsNull(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsUndefined(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsNumber(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsString(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsObject(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsArray(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueIsDate(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueToNumber(ctx: JSGlobalContextRef, value: JSValueRef, exception: *mut JSValueRef) -> c_double;
pub fn JSValueToBoolean(ctx: JSGlobalContextRef, value: JSValueRef) -> u8;
pub fn JSValueToStringCopy(ctx: JSGlobalContextRef, value: JSValueRef, exception: *mut JSValueRef) -> JSStringRef;
pub fn JSStringRelease(string: JSStringRef);
pub fn JSStringGetMaximumUTF8CStringSize(string: JSStringRef) -> usize;
pub fn JSStringGetUTF8CString(string: JSStringRef, buffer: *mut c_char, buffer_size: usize) -> usize;
}