116   fields: ['key', 'value']  property
120   fields: ['target', 'val']  property
123   fields: ['cond', 'body', 'else_']  property
127   fields: ['cond', 'body', 'else_']  property
130   fields: ['arr', 'name', 'body', 'else_']  property
135   fields: ['name', 'args', 'body']  property
139   fields: ['template', 'target', 'withContext']  property
164   fields: ['name', 'args']  property
168   fields: ['name', 'args', 'symbol']  property
172   fields: ['name', 'body']  property
175   fields: ['blockName', 'symbol']  property
178   fields: ['template']  property
182   fields: ['template', 'ignoreMissing']  property
185   fields: ['targets', 'value']  property
188   fields: ['expr', 'cases', 'default']  property
191   fields: ['cond', 'body']  property
195   fields: ['body']  property
199   fields: ['target']  property
202   fields: ['left', 'right']  property
220   fields: ['expr', 'ops']  property
223   fields: ['expr', 'type']  property