How to use the tsickle.Pass function in tsickle

var programForJsEmit = programWithCodegen;
            if (ngOptions_1.annotationsAs !== 'decorators') {
                if (diagnostics_1)
                    console.time('NG downlevel');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.DECORATOR_DOWNLEVEL);
                // A program can be re-used only once; save the programWithCodegen to be reused by
                // metadataWriter
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG downlevel');
            }
            if (ngOptions_1.annotateForClosureCompiler) {
                if (diagnostics_1)
                    console.time('NG JSDoc');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.CLOSURIZE);
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG JSDoc');
            }
            // Emit *.js and *.js.map
            tsc_1.tsc.emit(programForJsEmit);
            // Emit *.d.ts and maybe *.metadata.json
            // Not in the same emit pass with above, because tsickle erases
            // decorators which we want to read or document.
            // Do this emit second since TypeScript will create missing directories for us
            // in the standard emit.
            tsc_1.tsc.emit(programWithCodegen);
            if (diagnostics_1) {
                ts.performance.forEachMeasure(function (name, duration) { console.error("TS " + name + ": " + duration + "ms"); });
            }

var programForJsEmit = programWithCodegen;
            if (ngOptions_1.annotationsAs !== 'decorators') {
                if (diagnostics_1)
                    console.time('NG downlevel');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.DECORATOR_DOWNLEVEL);
                // A program can be re-used only once; save the programWithCodegen to be reused by
                // metadataWriter
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG downlevel');
            }
            if (ngOptions_1.annotateForClosureCompiler) {
                if (diagnostics_1)
                    console.time('NG JSDoc');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.CLOSURIZE);
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG JSDoc');
            }
            // Emit *.js and *.js.map
            tsc_1.tsc.emit(programForJsEmit);
            // Emit *.d.ts and maybe *.metadata.json
            // Not in the same emit pass with above, because tsickle erases
            // decorators which we want to read or document.
            // Do this emit second since TypeScript will create missing directories for us
            // in the standard emit.
            tsc_1.tsc.emit(programWithCodegen);
            if (diagnostics_1) {
                ts.performance.forEachMeasure(function (name, duration) { console.error("TS " + name + ": " + duration + "ms"); });
            }

console.timeEnd('NG codegen');
            var definitionsHost = tsickleCompilerHost_1;
            if (!ngOptions_1.skipMetadataEmit) {
                // if tsickle is not not used for emitting, but we do use the MetadataWriterHost,
                // it also needs to emit the js files.
                var emitJsFiles = ngOptions_1.annotationsAs === 'decorators' && !ngOptions_1.annotateForClosureCompiler;
                definitionsHost = new compiler_host_1.MetadataWriterHost(tsickleCompilerHost_1, ngOptions_1, emitJsFiles);
            }
            // Create a new program since codegen files were created after making the old program
            var programWithCodegen = createProgram_1(definitionsHost, program_1);
            tsc_1.tsc.typeCheck(host_1, programWithCodegen);
            var programForJsEmit = programWithCodegen;
            if (ngOptions_1.annotationsAs !== 'decorators') {
                if (diagnostics_1)
                    console.time('NG downlevel');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.DECORATOR_DOWNLEVEL);
                // A program can be re-used only once; save the programWithCodegen to be reused by
                // metadataWriter
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG downlevel');
            }
            if (ngOptions_1.annotateForClosureCompiler) {
                if (diagnostics_1)
                    console.time('NG JSDoc');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.CLOSURIZE);
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG JSDoc');
            }

}
            var definitionsHost = tsickleCompilerHost_1;
            if (!ngOptions_1.skipMetadataEmit) {
                // if tsickle is not not used for emitting, but we do use the MetadataWriterHost,
                // it also needs to emit the js files.
                var emitJsFiles = ngOptions_1.annotationsAs === 'decorators' && !ngOptions_1.annotateForClosureCompiler;
                definitionsHost = new compiler_host_1.MetadataWriterHost(tsickleCompilerHost_1, ngOptions_1, emitJsFiles);
            }
            // Create a new program since codegen files were created after making the old program
            var programWithCodegen = createProgram_1(definitionsHost, program_1);
            tsc_1.tsc.typeCheck(host_1, programWithCodegen);
            var programForJsEmit = programWithCodegen;
            if (ngOptions_1.annotationsAs !== 'decorators') {
                if (diagnostics_1)
                    console.time('NG downlevel');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.DECORATOR_DOWNLEVEL);
                // A program can be re-used only once; save the programWithCodegen to be reused by
                // metadataWriter
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG downlevel');
            }
            if (ngOptions_1.annotateForClosureCompiler) {
                if (diagnostics_1)
                    console.time('NG JSDoc');
                tsickleCompilerHost_1.reconfigureForRun(programForJsEmit, tsickle.Pass.CLOSURIZE);
                programForJsEmit = createProgram_1(tsickleCompilerHost_1);
                tsc_1.check(tsickleCompilerHost_1.diagnostics);
                if (diagnostics_1)
                    console.timeEnd('NG JSDoc');
            }