public void setLoadDocumentation(boolean loadDocumentation) {
        this.loadDocumentation = loadDocumentation;
    }
sets to true to load the documentation along with the
ShaderNodeDefinition

@param loadDocumentation true to load the documentation along with the
ShaderNodeDefinition
jme3-core/src/main/java/com/jme3/asset/ShaderNodeDefinitionKey.java