Import
SSAOShader is an addon, and must be imported explicitly, see Installation#Addons.
import { SSAOShader } from 'three/addons/shaders/SSAOShader.js';
Properties
.SSAOBlurShader : Object (inner, constant)
SSAO blur shader.
.SSAODepthShader : ShaderMaterial~Shader (inner, constant)
SSAO depth shader.