1. @DomName('WebGL2RenderingContext.deleteFramebuffer')
  2. @DocsEditable()
  3. @Experimental()
void deleteFramebuffer(Framebuffer framebuffer)

Source 

@DomName('WebGL2RenderingContext.deleteFramebuffer')
@DocsEditable()
@Experimental() // untriaged
void deleteFramebuffer(Framebuffer framebuffer) =>
    _blink.BlinkWebGL2RenderingContext.instance
        .deleteFramebuffer_Callback_1_(this, framebuffer);