question: whether the key exists in the memory . concode_field_sep PlaceHolder placeHolder concode_field_sep void set concode_elem_sep boolean or concode_elem_sep long incr concode_elem_sep Set<String> keys concode_elem_sep Map<String,Object> asMap concode_elem_sep void incrIteration concode_elem_sep void setRuntime concode_elem_sep IllegalArgumentException memoryKeyCanNotBeNull concode_elem_sep IllegalStateException memoryCompleteAndImmutable concode_elem_sep boolean isInitialIteration concode_elem_sep IllegalArgumentException memoryValueCanNotBeNull concode_elem_sep int getIteration concode_elem_sep IllegalArgumentException memoryKeyCanNotBeEmpty concode_elem_sep boolean and concode_elem_sep R get concode_elem_sep IllegalArgumentException memoryDoesNotExist concode_elem_sep UnsupportedOperationException dataTypeOfMemoryValueNotSupported concode_elem_sep long getRuntime
target: boolean function ( final String arg0 ) { return this . keys ( ) . contains ( arg0 ) ; }