core/src/main/java/org/trimou/engine/MustacheEngineBuilder.java
public MustacheEngineBuilder addGlobalData(String name, Object value) {
        checkArgumentsNotNull(name, value);
        checkNotBuilt();
        this.globalData.put(name, value);
        return this;
    }
public MustacheEngineBuilder addGlobalData(String name, Object value) {
        checkArgumentsNotNull(name, value);
        checkNotBuilt();
        this.globalData.put(name, value);
        return this;
    }
Adds a value (e.g. Lambda) that is available during execution of all
templates.

Global values have to be thread-safe.

@param value
@param name
@return self