code: function() {
          this.log('bem.decl.%s(%s)', this.cmd, JSON.stringify(this.decls));
  
          return BEM.decl[this.cmd]({
              output: this.getPath(),
              declaration: this.decls.map(function(d) {
                  return PATH.resolve(this.root, d);
              }, this)
          });
      }
docs: Runs 'bem decl [cmd] [decls]'