demo/amd/rjs/output/unified/plain-precompiled-build.js
function invokeKnownHelper(paramSize, name) {
	    var helper = this.setupHelper(paramSize, name);
	    this.push(this.source.functionCall(helper.name, 'call', helper.callParams));
	  }
function invokeKnownHelper(paramSize, name) {
	    var helper = this.setupHelper(paramSize, name);
	    this.push(this.source.functionCall(helper.name, 'call', helper.callParams));
	  }
function invokeKnownHelper ( paramSize , name ) { var helper = this . setupHelper ( paramSize , name ) ; this . push ( this . source . functionCall ( helper . name , 'call' , helper . callParams ) ) ; }
[invokeKnownHelper]  On stack, before: hash, inverse, program, params..., ... On stack, after: result of helper invocation  This operation is used when the helper is known to exist, so a `helperMissing` fallback is not required.
[ invokeKnownHelper ] On stack before : hash inverse program params ... ... On stack after : result of helper invocation This operation is used when the helper is known to exist so a helperMissing fallback is not required .