public Observable<Page<BuildStepInner>> listAsync(final String resourceGroupName, final String registryName, final String buildTaskName) {
        return listWithServiceResponseAsync(resourceGroupName, registryName, buildTaskName)
            .map(new Func1<ServiceResponse<Page<BuildStepInner>>, Page<BuildStepInner>>() {
                @Override
                public Page<BuildStepInner> call(ServiceResponse<Page<BuildStepInner>> response) {
                    return response.body();
                }
            });
    }
public Observable < Page < BuildStepInner > > listAsync ( final String resourceGroupName , final String registryName , final String buildTaskName ) { return listWithServiceResponseAsync ( resourceGroupName , registryName , buildTaskName ) . map ( new Func1 < ServiceResponse < Page < BuildStepInner > > , Page < BuildStepInner > > ( ) { @ Override public Page < BuildStepInner > call ( ServiceResponse < Page < BuildStepInner > > response ) { return response . body ( ) ; } } ) ; }
List all the build steps for a given build task.

@param resourceGroupName The name of the resource group to which the container registry belongs.
@param registryName The name of the container registry.
@param buildTaskName The name of the container registry build task.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the PagedList&lt;BuildStepInner&gt; object